Mass selection is considered a form of selective breeding because it includes selection of individuals from a large group organisms.
What is mass selection?Mass selection is defined as a type of selective breeding in which two species are chosed and breeded with one another. This process is used to get the desired characteristic organism.
So we can conclude that mass selection is considered a form of selective breeding because it includes selection of individuals from a large group organisms.
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What are invasive species? how do they impact the ecosystem
Answer:
disorder in the ecosystem
Explanation:
Invasive species are organisms from different ecosystems that somehow find their way to a different one. The ecosystem that they arrive in cannot be prepared to receive them and the invasive species, these species may not have predators or characteristics that help them to feed or reproduce quickly. This causes a disorder in the ecosystem that can wipe out entire species and if a species disappears in a chain many others will be affected.
Select the correct answer from each drop-down menu.
Fats are an important dietary requirement that plays several roles in the body. Fats transport fat-soluble vitamins in the body, such as
1.₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋ The body can’t synthesize 2. ₋₋₋₋₋₋₋₋₋₋₋₋₋₋ it and must obtain it through dietary intake.
1. one answer to are
vitamin B12
vitamin C
vitamin D
2. linoleic acid
omega_3 fatty acid
cholesterol
100 points for this
Answer:
For Answer One it is (vitamin B12) From What I Got
For Answer Two It Is (omega_3 fatty acid) From What I Got
If it is wrong let me know i will try to fix it
Hope This Helps
one difference between viruses and cells is that viral particles have a..?
a nucleic acid within a capsid
c membrane-bound cytoplasm
b cell wall within a capsule
d membrane-bound chromosome
One major difference between viruses and other cells is that viral particles have nucleic acid located within a capsid.
Structure of a virusViruses are made up essentially of ribonucleic or deoxyribonucleic acids enclosed in a proteinous shell known as capsids.
This is unlike other cells in which their nucleic acids either lie freely within the cytoplasm of their cells or are enclosed in a double membrane structure known as the nucleus.
Viruses are essentially non-living when outside a living host.
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At the neuromuscular junction, the binding of acetylcholine to receptors on the muscle cell almost immediately causes __________.
Environmental changes may lead to the evolution of a species. Polar bears live in
the Arctic. Ice in the Arctic is melting fast, reducing the range where the polar
bear can live. If polar bears do not have adaptations that allow them to survive
these changes, what may happen to them?
A They may become extinct.
B They may overpopulate.
C They may change the environment.
D They may become another species.
Answer:
A.
Explanation:
If they have know where to live, they can't overpopulate. The question ask what will happen to the polar bears so C can no be it. Polars Bears do not have the features for them to become another species.
This is a simplified coastal Maine food web. Analyze the model. Select the phrases that accurately describe the flow of energy in this marine ecosystem. Select ALL that apply. A) Harbor seals receive 10% of the energy of the zooplankton. B) Herbivores have more energy available to them than carnivores. C) Primary consumers have the greatest amount of energy available. D) There should be fewer tertiary consumers than secondary consumers. E) Of the energy that is available to the producer level, only ten percent is available to the secondary consumers.
The statements 'harbor seals receive 10% of the energy of the zooplankton', 'primary consumers have more energy ' and 'fewer tertiary consumers than secondary' are TRUE.
What is a food web?A food web is a diagram representing the connections between organisms in a particular ecosystem.
A food web is based on producer organisms that generate the biomass that sustains all life in the web.
Consumes such as herbivores and carnivores are placed at higher trophic levels in the food web.
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During signal transduction in a rod cell, the sensory signal is amplified when:.
Answer:
it's amplified when there is results in hyperpolarization of the sensory cell.
What is the term used to describe the amount of time it takes for newly divided cells to be completely replaced throughout a tissue
Answer:
turnover or turnover time
Explanation:
What makes a judas goat stop being social?
Answer:
anxiety
Explanation:
Which type of tree ends up dominating many landscapes over time because they will slowly make it harder for other types of trees to grow?.
Answer:
Conifers
Explanation:
These trees thrive in a variety of conditions and have become very common around the world due to this. They also dominate other plants because of their needles which drop and make the soil even less nutrient filled. This makes it difficult for other trees to grow with them.
when a muscle cell demands energy to contract,what happens to ATP
Answer:
he ATP is used to return the mysoin head to its starting position. The ATP is hydrolyzed to Pi + ADP. The head with the ADP and Pi attaches itself to the actin filament. When ADP and Pi release the mysoin head pulls back.
Explanation:
Answer:
The ATP is used to return the mysoin head to its starting position. The ATP is hydrolyzed to Pi + ADP. The head with the ADP and Pi attaches itself to the actin filament. When ADP and Pi release the mysoin head pulls backback
Explanation:
A scientist discovers a cell that has chloroplasts, cytoplasm, DNA, and a cell membrane. Which statement best describes how the cell could be classified?
The cell is prokaryotic because it has DNA.
The cell is prokaryotic because it has cytoplasm.
The cell is eukaryotic because it has a cell membrane.
The cell is eukaryotic because it has chloroplasts.
What is the difference between force and net force?
Don't copied from goo-gle
Force
- Force is defined as the act of pushing or pulling of an object. It can influence and alter the motion of an object.
Net Force
- Unlike Force which only defines a push or pull, Net Force is the combination of all forces acting on an object. The Net Force can be computed through Newton's Second Law, F=ma.
If I accidentally cited false information, I am open to corrections :).
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Why is biochemical evidence the strongest form of evolutionary evidence
Answer:
Biochemistry provides evidence of evolution in terms of modifications in various biological molecules, such as enzymes Explanation:
Answer: Try this Why is biochemical evidence the strongest form of evolutionary evidence
Explanation: It will give you some important information of what you are learning in high school!
If the strand of DNA with the sequence TTA mutated to TTG, would this be a silent or missense mutation? Hint: Find the RNA for both sequences and check to see that they code for different amino acids. (1 point)
it would be Missense mutation
the reason why is missense mutation is because the amino acids changed
hope this helps :)
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Answer:
Missense mutationmutation
Explanation:
Food webs model the way _______ move through an ecosystem.
Food webs model the way energy move through an ecosystem
What is food webFood web is a chain of food chains contained in an ecosystem, It models the way through which energy is transferred through the ecosystem. The food chains represents the path through which energy is transferred.
Hence we can conclude that Food webs model the way energy move through an ecosystem.
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what is the inheritance of acquired characteristics? What scientist developed this mistaken idea?
The idea of it is that if an organism changes during life in order to adapt to its environment, those changes are passed on to its offspring. However, that isn't the case (proved by Darwin). This theory was made by Jean Baptiste Lamarck.
what are the differences between plant cell and animal cell
Explanation:
Plant cell:
It is found only in plants.
It consists of cell wall.
Animal cell:
It is found only in animals.
It does not consists of cell wall.
Answer:
The main structural differences between plant and animal cells are the additional structures found in plant cells. These structures include: chloroplasts, the cell wall, and vacuoles.
Chloroplasts
In animal cells, the mitochondria produces the majority of the cells energy from food. Plant cells use sunlight as their energy source; the sunlight must be converted into energy in a process called photosynthesis. Chloroplasts are perform this function. The energy conversion in plants is a complex set of reactions similar to those performed by mitochondria in animals
The Cell Wall
Another structural difference between in plant cells is the presence of a rigid cell wall surrounding the cell membrane. The tough wall gives added stability and protection to the plant cell. If you think about it, most animal cells are inside an organism that has either an exoskeleton or an endoskeleton, built in structure. Plants don't have a skeleton of any kind so the cells have to perform this.
Vacuoles
Vacuoles are large, liquid-filled organelles found only in plant cells. Vacuoles can occupy up to 90% of a cell's volume and have a single membrane. Their main function is as a space-filler in the cell, but they can also fill digestive functions and their interiors can be used as storage for nutrients.
Both plant and animal cells comprise membrane-bound organelles, such as endoplasmic reticulum, mitochondria, the nucleus, Golgi apparatus, peroxisomes, lysosomes. They also have similar membranes, such as cytoskeletal elements and cytosol. The plant cell can also be larger than the animal cell. The normal range of the animal cell varies from about 10 – 30 micrometres and that of plant cell range between 10 – 100 micrometres.
A piece of dna that is used to carry a gene of interest into a cell is known as what?.
Plasmid carries a gene into a cell
A piece of DNA that is used to carry a gene of interest into a cell is known as Vector. This is because it is a vehicle that significantly carries foreign DNA molecules into the host cell.
What is Gene?Gene may be defined as a stretch of DNA that has genetic information. It is the nucleotide sequence that has the ability to produce a functional protein or enzyme.
According to the context of this question, a vector is commonly used in recombinant DNA technology. It is a double-stranded, circular extrachromosomal DNA that is separated or detached from the genomic DNA.
It has quite a difference with plasmid. The Plasmid is generally an extrachromosomal element of the bacterial cell.
Therefore, a vector is a piece of DNA that is used to carry a gene of interest into a cell.
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How would a rock's weight on the Moon or the Sun compare to its weight on Earth? Assume that the rock would not burn up.
A.
It would weigh less on the Moon and more on the Sun.
B.
It would weigh less on the Moon and on the Sun.
C.
It would weigh more on the Moon and less on the Sun.
D.
It would weigh more on the Moon and on the Sun.
A.
because moon has less gravitation and sun has more, depending on their mass.
All of the following are types of somatoform disorders except __________. a. conversion disorder b. obsessive-compulsive disorder c. somatization disorder d. hypochondrias please select the best answer from the choices provided a b c d
Answer:
is the answer is C.....??
Somatoform disorder is the physical sensations and body pain caused by mental illness and is grouped in somatization disorder, conversion disorder, pain disorder, hypochondriasis etc.
What is Somatoform disorder?Somatization disorder is a type of disorder when a person regularly complains about physical symptoms when there is no physical condition present to cause the symptoms.
The symptoms of this condition tends to increase anxiety and stress. The types of somatoform disorders are:
Somatization disorder.Conversion disorder.Pain disorder.Hypochondriasis.Somatic symptom and related disorder.Thus, obessive-compulsive disorder is not included in this. So, the correct option is option B.
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Measure of hydration, which tests how quickly the skin returns to its normal position after being pinched
Answer:
Skin turgor
Explanation:
refers to how quickly your skin returns to its normal position after being pinched. It’s often used to check for dehydration in children and older adults.
What factors contribute to uranus experiencing "the most extreme seasons in the solar system"? relate this to how earth experiences seasons. (use cer as a resource, 4-5 sentences.
Uranus have extreme seasons due to its unique tiltation of 82 degrees
Why does Uranus have extreme seasons?The orbit of Uranus is circular which maintains the same distance from the Sun throughout year. But Uranus is tilted about 82 degrees which gives rise to extreme 20-year-long seasons and unusual weather.
So we can conclude that Uranus have extreme seasons due to its unique tiltation.
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The study of the flow of energy and its transformations is called:.
The study of the flow of energy and its transformations is called thermodynamics.
Hope this helped!
In what ways are the chemical reactions of photosynthesis and cellular respiration similar?.
Answer: Both produce energy.
Explanation: Both provide each other with the necessary ingredients for the process to take place: glucose and oxygen for cellular respiration, carbon dioxide and water for photosynthesis.
which statements best compare the function of an ATP molecule to a DNA molecule
ATP helps in muscle contraction, active transport, formation of lysosomes, etc., while DNA carries all the genetic information related to an organism.
What do you mean by DNA molecule?The DNA molecule may be defined as the molecule that carries the genetic information for the development and functioning of an organism.
ATP delivers energy for chemical reactions in the cell. DNA maintains and communicates the genetic information of organisms.
Therefore, the above statement that best compares the function of an ATP molecule to a DNA molecule.
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Conclusion
1. How did scientists discover that all living things are made of cells?
2. How did Pasteur’s experiment with the flasks help disprove the idea that living things could just appear or come from nonliving things like water and air?
3. Why are nutrients needed for living things? Describe the difference between living and nonliving things.
Explanation:
i think nimber 3 is this
They need nutrients for their metabolism, function and distribution, and non-living organisms do not
Pleas help fast! I am not happy with my grade on this and I'm on my last try!
Answer:
im pretty sure its A and B
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How long does it take for watermelon seeds to germinate.
Answer:
4-12 days
Explanation:
Watermelon Seeds will germinate in 4–12 days.
Assume all of the presynaptic synapses identified produce epsps. If two of these synapses fired simultaneously, which synaptic combination brings the initial segment closest to threshold based on spatial summation?.
The synapses that are nearer to the axon hillock would bring the initial segment closest to the threshold based on spatial summation.
What is neuron synapsis?In neurosciences, the term synapsis makes reference to the connection between two nerve cells (neurons).
Synapsis is produced by the connection between axons and dendrites among different neurons.
Spatial summation refers to the start (trigger) of the action potential in neurons via two or more presynaptic cells.
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