Autotrophs are organisms that are able to produce their own food through photosynthesis or chemosynthesis. They use energy from the sun or inorganic molecules to convert carbon dioxide and water into glucose and oxygen, respectively. This process is called photosynthesis in plants and algae, and chemosynthesis in certain bacteria.
Heterotrophs, on the other hand, are organisms that cannot produce their own food and must obtain energy by consuming other organisms. This can be done through absorption, ingestion, or inhalation. Heterotrophs obtain energy by breaking down organic molecules that are produced by autotrophs or other heterotrophs.
How do autotrophic organisms obtain energy differently than heterotrophic organisms?Autotrophic organisms obtain energy by using energy from sources such as the sun or inorganic molecules to convert simple compounds into more complex ones, through processes such as photosynthesis or chemosynthesis. Heterotrophic organisms, on the other hand, obtain energy by consuming other organisms and breaking down their organic compounds for energy.
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an inherited immunity to certain diseases is called ________ immunity.
Answer:
Acquired immunity
What's the difference between natural selection and genetic engineering?.
Answer:
Conventional breeding relies primarily on selection, using natural processes of sexual and asexual reproduction. Genetic engineering utilizes a process of insertion of genetic material, via a gene gun or other direct gene introduction methods, or by a specially designed bacterial truck, which does not occur in nature.
You want determine if planet farther from the un have a longer orbital period becaue they have longer orbit or becaue they move in a lower pace
The longer orbital period of a planet farther from the sun is caused by a combination of the planet's longer orbit and slower speed.
According to Kepler's third law of planetary motion, a planet's orbital period square is directly proportional to its semi-major axis cube. In other words, a planet's orbital period will be greater the further it is from the sun. This is due to the fact that it takes the planet longer to complete one circle of the sun.
However, a planet's speed also has an impact on its orbital period. A planet moves through space at a faster rate the closer it is to the sun.
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which term describes the multicellular haploid form of a protist that shows alternation of generations?
The term that describes the multicellular haploid form of a protist that shows alternation of generations is gametophyte.
Gametophytes are the haploid stage in the life cycle of a factory or alga. It's characterized by the product of gametes, or reproductive cells. Gametophytes suffer sexual reduplication, where two gametes fuse to form a diploid zygote. The zygote undergoes meiosis to form haploid spores, which also develop into a new gametophyte, completing the alternation of generations.
This is a process that's common in numerous species of shops, algae, and certain protists. In some species, the gametophyte and the sporophyte( the diploid stage) are both multicellular and differ markedly in appearance. In others, the gametophyte is reduced and unicellular, and the sporophyte is dominant. In either case, the alternation of generations is a necessary part of the life cycle of the organism.
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most cool-season grasses have biennial life cycles. True or False
most cool-season grasses have biennial life cycles. This is a false statement.
Biennial life cycles are the norm for cool-season grasses. After the endosperm has sufficiently dried out, a seed can begin to germinate. Seminal roots develop later than crown roots. Once a plant gets leaves, it no longer requires its seed.
The grass species known as "cool-season grasses" flourish in regions with chilly winters and sweltering summers. In regions of the country that undergo extreme temperature swings—cold, icy winters and hot, dry summers—cool-season grasses have evolved to thrive.
Warm season grasses are a group of species with active growth starting in late spring and dormancy beginning in early to mid-fall. Cool season grasses are cultivars that enter active growth (also known as "greening up") much earlier in the growing season (mid-spring) and maintain that growth through the fall before turning dormant in the late fall.
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what happens when plants transpire too much water?
when plants transpire too much water then plants wilt and die.
Wilting and defoliation are the earliest warning symptoms of overwatering in plants. Wilting is the overall drooping of the plant, whereas defoliation is the yellowing, withering, and falling off of the leaves. Many inexperienced gardeners blame the problem on a lack of water and make matters worse by adding more. When in doubt, examine the dirt. If it's dry, you should add water; if it's damp or moist, you should wait. Molds and several illnesses flourish in moist conditions. Phytium, Phytophthora, and Crown Rot are just a few of the illnesses that are drawn to excessive dampness. It is exceedingly challenging to get rid of these illnesses and molds once they have established themselves.
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What do animals such as clams and oysters extract from the water to build their shells?(1 point).
Animals like clams and oysters need calcium carbonate-containing materials to construct their shells. Human activity is quickly changing the chemistry of the ocean and impacting marine life by releasing carbon dioxide into the atmosphere.
Oysters remove what from the water, exactly?Oysters obtain their nutrition by filtering water to remove algae, which in turn removes nutrients that, if present in excess, might harm aquatic life. An adult oyster alone is capable of filtering more than 50 gallons of water each day.
Oysters and clams both purify water, right?As they grow, oysters, clams, and other shellfish absorb excess nitrogen from the water and use it to build their shells and other tissues, which helps them function as effective filter feeders.
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What is the purpose of meiosis and why is it so important to produce variety in the daughter cells that are produced by meiosis?.
On the other hand, meiosis serves a single function in the human body that of producing gametes, also known as sperm and eggs or sexually active cells.
Making daughter cells with exactly half as many chromosomes as the original cell is its main objective. New cells formed during mitotic cell division are genetically identical to their parent cells. Meiosis is in charge of raising the population's genetic diversity. Each diploid cell can produce up to 2n distinct chromosomal arrangements during meiosis, where 'n' is the haploid number.
Chromosome reduction, or meiosis, is the process by which eukaryotic cells (plants, animals, and fungi) produce the gametes (or sex cells) required for sexual reproduction. A diploid (double pair of chromosomes) becomes a monozygotic during meiosis.
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explain what an inherited gene (characteristic/trait) does in reference to the frequency of the inherited gene in a population over time?
An inherited gene in reference to the frequency of the inherited gene in a population over time will lead to an increase.
What is an Inherited gene?These carry the information that determines your traits from the parents to the offspring and is responsible for the creation of unique individuals.
These changes in relative allele frequency, called genetic drift, can either increase or decrease and in a situation where the inherited gene is more frequent then the traits will be common in that population.
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What is body mass index BMI and how is it calculated?.
The BMI calculation takes an adult's weight in kilograms and divides it by their height in meters squared.
The formula for BMI in the metric system is weight in kilograms divided by height in meters squared. Because height is commonly measured in centimeters, divide it by 100 to get height in meters.
Body Mass Index is the full form of BMI. It is a method of measuring that divides people into four categories: obese, overweight, normal weight, and underweight. It is the ratio of your weight in kilograms to your height in meters squared (meters).
It's a good way to see if your weight is proportionate to your height. In fact, knowing your BMI can assist and your doctor in determining any health risks you may face if it is above the healthy range.
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those that carry impulses from the cns out to the muscles and glands?
The CNS receives impulses from peripheral sense receptors through afferent, or sensory, neurons. They often have relatively short axons and lengthy dendrites. Efferent, or motor, neurons in the central nervous system transmit impulses to effector organs including muscles and glands.
Three fundamental types of neurons make up the general components of the neural circuitry: Afferent neurons, also known as primary sensory neurons, transport impulses from receptor cells or free nerve terminals into the central nervous system. To effectors like muscles or glands, motor or efferent neurons transport signals from the central nervous system. Interneurons take in information from sensory neurons, process it, and then communicate with motor neurons. Skin and its derivatives, as well as voluntary muscles, are related to somatic fibers. The involuntary muscles and glands of the organ systems are connected to visceral fibers.
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True or False: Codominance produces a third phenotype midway between
the two extremes
False. Codominance produces a phenotype that shows both dominant traits equally and distinctly, not a third phenotype that is a combination of the two.
Codominance is a type of genetic interaction where both alleles for a particular trait are expressed equally and distinctly, resulting in a phenotype that reflects the presence of both dominant traits. This means that neither allele is dominant over the other and both traits are expressed simultaneously. This is different from dominant-recessive relationships, where only the dominant allele is expressed and the recessive allele is masked. In codominance, both alleles are equally expressed and the phenotype reflects a combination of both traits, rather than a phenotype that is intermediate between the two extremes. It is important to note that codominance is a specific type of genetic interaction and not all traits are subject to this type of relationship.
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common skin condition that occurs when oil and dead skin cells clog the skin's pores; also known as simply acne, is ?
Acne vulgaris, also simply known as acne, is a very common skin disease that occurs when the oil and dead skin cells clog the skin's pores.
Acne vulgaris, simply known as acne, pimple or zits, is an inflammatory disease which involves the the formation of pustules, nodules, cysts papules, etc. caused by the obstruction as well as the inflammation of the pilosebaceous units, which are the hair follicles and their accompanying sebaceous gland. Acne mostly develops on the face and most commonly affects adolescents.
Treatment given for acne depends on a number of factors like the patient's sex and age, the extent and the severity of the acne, and also the response to previous treatments.
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What is the name of the meiotic process that increases genetic variability and occurs when two homologous chromosomes switch a region of genetic information?.
When prophase 1 occurs, two homologous chromosomes exchange genetic material.
A single parent (diploid) cell divides twice during the meiotic process to produce four haploid daughter cells, each of which has half as many chromosomes as its parent cell.
Genetic material interchange between the chromosomes of opposing germ lines is referred to as crossing over. This procedure aids in the blending of parental traits in the child. This happens during the first prophase of meiosis. This process serves as the foundation for the development of gametes, or sex cells, which are eggs in females and sperm in males. The single parent's homologous paired chromosomes align to form a bivalent so that they cross each other.
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A student reads about a sexually reproducing population that has high genetic variability. Which statement best explains how this characteristic affects
survival of the population if it is exposed to a new disease?
High genetic variability increases the chances that some members of the population will possess genetic traits that make them more resistant to the new disease.
What is genetic variability?Genetic variability is the amount of diversity found within a species or population due to genetic differences. It is caused by changes in the genetic code, or DNA, that can occur through mutation, recombination, or other genetic processes. This variability can result in different physical characteristics, behaviors, and susceptibilities to disease. Genetic variability is important for maintaining the health and survival of a species or population, as it increases the chances of adaptation to changing environmental conditions. It also provides the opportunity for the population to evolve to become more optimized for its habitat and maximize its fitness.
This gives the population a better chance of surviving the disease, as some individuals will survive and pass on their more resistant traits to the next generation.
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Which of the following is most likely to decrease genetic variation?
Answer
directional selection
mutation
stabilizing selection
sexual recombination
diversifying selection
the pattern of movement or change that begins at conception and continues through the human life span is known as
Definition of development. the movement or change pattern that begins at conception and continues throughout a human lifetime.
According to John W., "growth" "begins at birth and ends with death" (Santrock, 2015). According to a life-span perspective, ageing is multifaceted, occurs over a variety of dimensions during the working years, and is a result of a number of interconnected factors that are both internal to the individual and external to them. Development is defined as the movement or change pattern that begins at conception and continues throughout a person's lifetime. Development is defined as a pattern of motion or transformation that begins with conception and continues throughout a human lifetime.
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at what age will the five bones of the sacrum start fusing together
Five fused vertebrae with the numbers s1 through s5 make up the sacrum. In children these five vertebrae are distinct. They start fusing in late adolescence and they're often entirely fused by the time they're 30.
Between the two pelvic wings in the upper, rear region of the pelvic cavity is where the sacrum is located. Together, the five bones form joints. The sacroiliac joints, which are L-shaped, are where the two extensions on either side of the sacrum—known as the alae (wings)—articulate with the ilium. Through the sacral and coccygeal cornua, the lower part of the sacrum is connected to the coccyx (tailbone), and its higher portion is connected to the last lumbar vertebra (L5). The three surfaces that make up the sacrum are designed to fit the nearby pelvic tissues. It's concave all around (curved upon itself). As the sacral promontory internally, the base of the sacrum, which is its broadest and uppermost portion, is inclined forward.
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Which of the following list of words correctly shows the layers of Earth's interior in correct order from outside to the Earth's center?
a. Lithosphere, Asthenosphere, Crust, Outer Core, Inner Core
b. Crust, Asthenosphere, Mesosphere, Lithosphere
c. Lithosphere, Asthenosphere, Lower Mantle, Outer Core, Inner Core
d. Crust, Upper Mantle, Inner Core, Outer Core
e. Biosphere, Troposphere, Lithosphere, Hydrosphere
f. Hydrosphere, Atmosphere, Lithosphere, Biosphere
The correct order of layers of Earth's interior from outside to the Earth's center is:
a. Lithosphere, Asthenosphere, Crust, Outer Core, Inner Core.
Option A is the correct answer.
What is Earth's interior layers?This refers to the layers that make up the earth namely: the lithosphere, asthenosphere, lower mantle (also known as mesospheric mantle), outer core, and inner core The core makes ups 15 percent of the Earth's volume, and the mantle takes 84 percent. The remaining 1 percent is made up of the crust.
Earth's layers can be positioned according to chemical composition ( that is what they are made of) or mechanical properties (that is rock strength and elasticity).
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Discussion
For this lab report, you will be discussing the results shown in the data table from the previous page. Some of the questions
you should address in the discusssion include the following:
1. What were the independent variable and dependent variable in this experiment? In this experiment, what is being
altered for each trial and what is being recorded for the results.
2. Explain why counting the number of oxygen bubbles produced is an acceptable method to determine the rate of
photosynthesis. What is the connection between the oxygen bubbles and photosynthesis?
3. Why do white and green light colors cause different rates of photosynthesis?
4. Explain any possible sources of error in the experiment.
Elodea exposure time is a constant that is unaffected by the distance from the light source, the rate of photosynthesis, or the dependent variable.
What was the dependent variable in the Elodea experiment?The duration the elodea is exposed to the light is a constant and is independent of the elodea's proximity to the light source, the rate of photosynthesis, and the dependent variable.
the cause is the independent variable. The other factors in your study have no bearing on its value. The outcome is the dependent variable. Changes in the independent variable affect how much it is worth.
How many bubbles emerged while the light source was on was the dependent variable, which represented the rate of photosynthesis. Depending on the amount of light, photosynthesis will change.
Light intensity is a standalone variable (how close the light is). The number of oxygen bubbles released is the dependent variable (the rate of photosynthesis).
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The interior region of a phospholipid bilayer is characterized as:polar.hydrophobic.hydrophilic.hydrophilic and polar
The interior region of a phospholipid bilayer is a unique environment that is both hydrophobic and hydrophilic.
What is hydrophobic?Hydrophobic is a term used to describe substances that repel or do not mix with water. These substances are referred to as "water hating." Examples of hydrophobic substances include fats, oils, and waxes. Hydrophobic molecules are generally non-polar, meaning they have no electrical charge and are not attracted to water molecules. These substances are often used in waterproofing materials and to prevent water from entering electrical components.
The hydrophobic region is comprised of the non-polar tails of the phospholipids that are arranged in a bilayer structure. These non-polar tails interact with and repel water molecules which makes them hydrophobic. On the other hand, the polar head groups of the phospholipids are composed of charged molecules that attract and interact with water molecules. This makes the polar head groups of the phospholipid bilayer hydrophilic. Thus, the interior region of a phospholipid bilayer can be characterized as both hydrophobic and hydrophilic.
The hydrophobic nature of the interior region of a phospholipid bilayer serves to separate the aqueous environment inside and outside the cell membrane. This separation allows for the formation of a lipid bilayer which serves as a barrier that separates the internal and external compartments of the cell. This barrier also serves to maintain the shape and integrity of the cell membrane, allowing for a controlled flow of materials in and out of the cell. Additionally, the hydrophilic nature of the interior region of the phospholipid bilayer allows for the binding of proteins and other molecules essential for the functioning of the cell.
Overall, the interior region of a phospholipid bilayer can be characterized as both polar and hydrophilic. This unique combination of properties allows for the formation of a lipid bilayer that serves as a barrier that separates the internal and external compartments of the cell and also allows for the binding of essential proteins and molecules.
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What is the surgical procedure for removing the synovial membrane from the joint?
A synovectomy is a surgical procedure used to treat synovitis and other conditions affecting the synovium,
which is a thin membrane that lines the inside of certain joints (referred to as "synovial joints") such as your knee, shoulder, or elbow. A large portion of the synovium is removed during a synovectomy procedure.
A number of orthopedic injuries and conditions cause painful and swollen joints, but in people with inflammatory arthritis, the immediate cause of the swelling and pain is usually inflammation and excessive synovium growth.
"A normal synovium produces synovial fluid that helps lubricate the joint," explains Mark P. Figgie, MD, Chief Emeritus of the Surgical Arthritis Service at HSS. "When the synovium becomes too bulky, it produces too much synovial fluid, which contains an enzyme that 'eats away' at the articular cartilage on the joint surface in large quantities."
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What is the importance of studying the stages of cell cycle in cancer medicine?.
The following list outlines the significance of understanding the cell cycle stages in cancer treatment.
Many anti-cancer medications work by preventing one or more cell cycle stages. We shall investigate the cell cycle in further detail in order to comprehend the flaws seen in cancer cells and the methods of action of those anti-cancer medications aimed to stop cell division.
The study of the cell cycle encompasses everything from the growth and development of these organisms to cancer and aging humans to the potential for disease and injury repair through stem cell therapies, and has a major impact on the biology, health, and biology of all species.
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13.5- meter ladder leans against a brick wall find the distance D the ladder goes up the water the ladder makes an angle of 38 angle with the horizontal
The ladder goes up the water the ladder makes an angle of 38 with the horizontal will be 8.31 meters.
What is a right-angle triangle?It's a form of a triangle with one 90-degree angle that follows Pythagoras' theorem and can be solved using the trigonometry function.
Trigonometric functions examine the interaction between the dimensions and angles of a triangular form.
13.5 meters ladder leans against a brick wall. And the ladder makes an angle of 38° angles with the horizontal.
The ladder goes up the water ladder will be given as,
sin 38° = D / 13.5
D = 13.50 × sin 38°
D = 8.31 meters
The ladder goes up the water the ladder will be 8.31 meters.
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Are clams both sexes?.
Yes, the clams are both sexes, i.e., they are hermaphrodites.
Clams can be either male or female since they are hermaphrodites. They engage in sequential sexuality, so if one of them exhibits male behaviour during a season, the female will do likewise during the following season. Depending on the time of year, the person who plays the role of the female releases between five and eight million ovules into the water.
On the other hand, the male produces 2.6 billion spermatozoa, which combine with the female's spread out cells to generate the eggs. Later, mobile larvae emerge from the eggs, joining the plankton and spending several weeks being exposed to sea currents.
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What conclusion did Mendel draw from his experiments with pea plants?.
Mendel concluded that traits were inherited in a predictable pattern, and that these traits could be passed on from one generation to the coming.
He also determined that each factory inherited two factors for each particularity, one from each parent, and that each parent passed on one of that factor to the seed. He also observed that the traits of the seed were determined by the combination of the two factors. Mendel's trials showed that all the traits of each generation of factory were determined by the combination of the two factors from each parent and that the traits of the seed couldn't be the prognosticated from the traits of the parents. This is known as Mendel's law of the isolation and is the base for the ultramodern understanding of genetics.
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What do you mean by body mass index explain the procedure of calculation of BMI class 11?.
Body mass index (BMI) is a medical screening tool that measures your height-to-weight ratio to estimate the amount of body fat. The healthcare provider calculates her BMI by dividing her weight in kilograms (kg) by her height in meters (m2) squared.
Body mass index (BMI) is a person's weight in kilograms (or pounds) divided by her height in meters (or feet) squared. A high BMI can indicate a high body fat percentage. BMI screens for weight classes that may lead to health problems, but does not diagnose a person's body fat or health status.
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Why does the hatchery purposely keep some embryos from developing high intelligence?
The developing high intelligence books are considered to be a waste of time, and they might also interfere with their conditioning.
What is the real meaning of intelligence?Intelligence can be defined as the ability to solve complex problems or make decisions with outcomes benefiting the actor, and has evolved in lifeforms to adapt to diverse environments for their survival and reproduction.
What are the 2 main types of intelligence?Our general intelligence which enables us to learn and recall, comprises our fluid intelligence and crystallized intelligence. Fluid intelligence involves comprehension, reasoning and problem solving, while crystallized intelligence involves recalling stored knowledge and past experiences.
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regulates food passage from the stomach to the duodenum
regulates food passage from the stomach to the duodenum The pyloric sphincter
The pyloric sphincter is a ring of muscle located at the bottom of the stomach that controls the passage of food from the stomach to the small intestine (duodenum). It acts as a valve, opening to allow small amounts of partially digested food (chyme) to pass through and then closing to prevent the backward flow of stomach contents. The pyloric sphincter is regulated by hormones, such as gastrin, and by the stretch of the stomach as it fills with food. The pyloric sphincter is a critical component of the digestive process, helping to regulate the release of food into the small intestine for further digestion and absorption.
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What is the relationship between the algae and the coral?.
Utilizing photosynthesis, the algae create nutrients, many of which are then transferred to the coral cells. Ammonium, a waste product that the corals release in turn, is used by the algae as a nutrient.
For the first time, physical interactions between coral and algae cells have been seen as they work together to develop a symbiotic connection. After only a few minutes, coral cells began to swallow the algae, where they were either digested or transferred to a protected "bubble" inside the cell.
For more than 200 million years, coral and algae have worked together. Algae find shelter in coral cells, which also provide the elements needed for photosynthesis. In exchange, the algae give the coral nutrition.
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