Answer:
Ecological Succession is the change in structure of species and community over time
Herbivores have teeth designed for eating...
A. Plants only
B. Animals only
C. Plants and animals
Answer:
The answer is:
A. Plants only
Answer:
plants only
hope its helps
What does the specific
defense of the immune
system use to fight
pathogens?
A. red blood cells
B. vaccines
C. lymphocytes
D. plasma
Answer:
C
Explanation:
There are different types of T-Cells, aka Lymphocytes.
the Cytotoxic T-Cells will find and directly attack, also giving them the name "Killer Cells"
The Cytotoxic cell's main purpose is to find bacteria, viruses, and cancer cells.
Next,
there is the Helper T Cells, which recruit other immune system cells and organize a special immune response.
Regulatory T cells, suppress the immune system so it doesn't overreact. Just as in Auto-Immune diseases
A student wants to know which part of his local beach contains the most turtle nests during nesting season. He researches turtle nesting and plans his experiment. Once his experiment is completed, he gathers his evidence and analyzes it to form a conclusion. What part of the scientific method is he missing from this investigation
The part of the scientific method is he missing from this investigation is the construction of a hypothesis.
What is an investigation?It should be noted that an investigation refers to the process carried out in order to get information about a topic.
In this case, the part of the scientific method is he missing from this investigation is the construction of a hypothesis.
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The given graph shows the amount of waste generated, dumped and treated in percentage. Identify the reason of low success rate of waste management process.
Waste disposal and waste management are significant problems in today's world. Garbage generation and disposal pose a real threat, resulting in server environmental issues. The issue is not with biodegradable or recycled waste. We recognize the need to reduce non-biodegradable waste. In this only 15% of urban waste is processed, and less than 60% of waste is collected from households. The correct option is d.
What is waste disposal?Waste disposal is the collection, processing, recycling, or disposal of human society's waste materials. Waste is classified according to its source and composition.
Waste disposal and waste management are significant problems in today's world. Garbage generation and disposal pose a real threat, resulting in server environmental issues.
The issue is not with biodegradable or recycled waste. We recognize the need to reduce non-biodegradable waste.
In this only 15% of urban waste is processed, and less than 60% of waste is collected from households.
The missing options of the question are attached below
Thus, the correct option is d.
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How are microtubules built and destroyed?
Microtubules are generated by polymerization of dimer subunits of alpha and beta-tubulin.
What are microtubules?Microtubules are essential proteins of the cytoskeleton that provide structural support to the cell.
Alpha and beta-tubulin subunits are arranged in a repeated way to form protofilaments, whereas molecular motors are proteins that disassemble microtubules.
In conclusion, microtubules are generated by polymerization of dimer subunits of alpha and beta-tubulin.
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Decussation of pyramids refers to crossover of major motor tracts in the ________ region of the brain
The decussation of pyramids refers to crossover of major motor tracts in the medulla oblongata region of the brain.
What is medulla oblongata?The medulla oblongata is the bottom most part of the brain.
It serves as the point where the brain and spinal cord connect, making it a key conduit for nerve signals to and from the body.
It also helps control vital processes like your heartbeat, breathing and blood pressure.
Thus, the decussation of pyramids refers to crossover of major motor tracts in the medulla oblongata region of the brain.
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Select ALL the correct answers.
Which statements are true regarding an energy pyramid?
The number of producers is greater than the number of primary consumers.
The amount of energy at the primary consumer level is greater than the amount of energy at the
secondary consumer level.
The number of primary consumers is less than the number of secondary consumers.
The amount of energy at the producer level is less than the amount of energy at the primary
consumer level.
Explanation:
The number of primary consumers is less than the number of secondary consumers.
what would happen if glycolsis could not happen in a cell
Answer:
The cell would die.
Explanation:
If glycolysis is interrupted, these cells lose their ability to maintain their sodium-potassium pumps, and eventually, they die. The last step in glycolysis will not occur if pyruvate kinase, the enzyme that catalyzes the formation of pyruvate, is not available in sufficient quantities.
Why was the BIOS framework relocated to flash memory from a complementary metal-oxide-semiconductor (CMOS) in later development?
Answer:
Answer is D
Explanation:
Flash memory provides stability to the
BIOS framework and makes update
installation much easier than with CMOS.
Because these two transistors are complementary to one another, a circuit created by combining them is referred to as a complementary MOS circuit, or CMOS circuit for short. Thus, option D is correct.
What is complementary metal-oxide-semiconductor (CMOS)?The majority of modern integrated circuits, commonly referred to as chips or microchips, employ a complementary metal-oxide semiconductor (CMOS) as their semiconductor technology.
Metal-oxide semiconductor field-effect transistor technology is the foundation for CMOS transistors.
Several analog circuits, including image sensors (CMOS sensors), data converters, and highly integrated transceivers for various forms of communication, also use CMOS technology.
Therefore, BIOS framework relocated to flash memory from a complementary metal-oxide-semiconductor (CMOS) in later development.
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What are the molecules that make up the cytoskeleton?
The molecules that make up the cytoskeleton are microtubules, intermediate filaments and microfilaments.
What is the cytoskeleton?The cytoskeleton is a network of proteins inside the cell that provides structural support.
The main proteins of the cytoskeleton are composed of subunits that may be added or removed according to the cell function.
In conclusion, the molecules that make up the cytoskeleton are microtubules, intermediate filaments and microfilaments.
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Question 3 of 10
What was the purpose of treating the radish seeds for the lab "Radical
Radishes" with radioactive cobalt-607
O A. To cause mutations in the radish embryos
B. To hybridize normal radish DNA with a radioactive DNA probe
C. To kill all the living microorganisms on the seeds
D. To produce labeled probes with radish DNA
SUBMIT
The purpose of treating the radish seeds for the lab "Radical Radishes" with radioactive cobalt-607 is to hybridize normal radish DNA with a radioactive DNA probe. Thus, the correct option is B.
What are Probes?Probes may be characterized as a single-stranded sequence of DNA or RNA manipulated to explore its complementary sequence in a sample genome.
The radioactive elements in the research are used for hybridizing the radioactive probes that are labeled in the genome sample which is under investigation.
Therefore, the correct option is B.
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During double fertilization, what is made when a sperm cell combines with the polar nuclei
Answer:
The endosperm is formed
Explanation:
double fertilization, in flowering plantreproduction, the fusion of the egg and sperm and the simultaneous fusion of a second sperm and two polar nuclei that ultimately results in the formation of the endosperm (the food-storage tissue) of the seed. This is called double fertilization because the true fertilization (fusion of a sperm with an egg) is accompanied by another fusion process (that of a sperm with the polar nuclei) that resembles fertilization. Double fertilization of this type is unique to flowering plants (angiosperms) and is responsible for the formation of both the embryo and its potential food source in the seed.
When mpf activity declines in a normal healthy cell it is due to _____
When mpf activity declines in a normal healthy cell it is due to degradation of cyclin.
What is the cell cycle?The cell cycle refers to the process by which new cells are formed by mitosis from an existing cells.
Several cell components are important in the cell cycle.
Cyclin is an important part involved in the cell cycle.
A decrease in cyclin due to increased degradation results in a decline in mpf activity.
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Which is the most likely explanation for the change? the beetle population moved to a greener habitat. a natural disaster almost caused the extinction of the population. the beetle population’s food sources decreased dramatically. a mutation resulted in a new color of insect.
The correct answer is D ie. a mutation resulted in a new color of insect.
A mutation is a change in a gene's structure, which is how inheritance works. Deoxyribonucleic acid (DNA), a lengthy molecule made up of units referred to as nucleotides, is the substance that makes up genes. Each nucleotide is constructed around one of four distinct bases.Due to population genetic variability, the population of lady beetles has changed over the generations (also called genetic diversity).The color gene of insect carapaces is the gene that has undergone diversification in this instance. In this example, there are two alleles (one for the green color and the other for the yellow color).Hence , the answer to this question is option D
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Which lipoprotein is made inside the small intestinal cells and transports dietary fats through the circulatory system to the liver and other tissues?.
Answer:
Chylomicrons
Explanation:
These are big triglyceride-rich particles produced by the colon that help transport dietary triglycerides and cholesterol to peripheral tissues and the liver.
Fossil fuels are made when....
A. organisms don't fully decompose and become
trapped underground
B. organisms collide at high speeds during
catastrophic events
C. bedrock is liquidated due to shifting tectonic
plates
D. volcanic ash is liquidated under extreme pressure
Answer:
A
Explanation:
organisms don't fully decompose and become trapped underground
How many hectares of tree cover did the planet lose last year?.
Answer:
googIe
Explanation:
ezzzzzzzzzzzzzzzzzzz
The pH is a measure of the concentration of the hydrogen ion (H+) in water. Highly acidic water has a very high H+ concentration, while basic water has very low H+ concentrations. The pH scale is a logarithmic scale, such that a difference of one pH unit means a 10-fold difference in H+ concentration. The mathematical relationship between pH and H+ concentration ([H+]) is
pH = –log [H+] OR [H+] = 10-pH where [H+] is in moles per liter.
Use a scientific calculator to calculate [H+] for the following pH values:
7 (a neutral solution)
5.6 (unpolluted rainwater)
3.7 (first acid rain sample in North America)
How many times higher is the concentration of H+ in the Hubbard Brook sample than in unpolluted rainwater?
The hydrogen ion concentration of the following pH samples is as follows:
7 (a neutral solution) = 0.8455.6 (unpolluted rainwater) = 0.7483.7 (first acid rain sample in North America) = 0.568How to calculate hydrogen ion concentration (H+)?The pH is a measure of the concentration of the hydrogen ion (H+) in water. This means that a relationship exists between H+ and pH of a solution.
The mathematical relationship between pH and H+ concentration ([H+]) is as follows:
pH = –log [H+]
This means that the hydrogen ion concentration (H+) of the following pH values can be calculated thus:
log 7 (a neutral solution) = 0.845log 5.6 (unpolluted rainwater) = 0.748log 3.7 (first acid rain sample in North America) = 0.568Learn more about pH at: https://brainly.com/question/15289741
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Summary of transcription
Answer:
Explanation:
During transcription, DNA is converted into RNA in the nucleus of the cell.
A strand of mRNA has the bases cytosine-cytosine-uracil. Which amino acid corresponds to these bases?
A. leu
B. pro
C. ser
D. phe
nutrients from croplands are carried by the mississippi river into the gulf of mexico. if nutrients are good for growth, why are scientists concerned about this nutrient influx?
Scientists should be concerned because the nutrient may cause eutrophication.
What is eutrophication?It is the enrichment of water bodies leading to the bloom of aquatic plant species and its associated detrimental effects on the ecosystem.
Nutrient enrichment of water bodies may cause a rapid bloom of algae, thereby limiting the amount of light and oxygen in water bodies. The bloom may also constitute a nuisance to waterways.
This, in turn, may cause the death of aquatic animals whose decay gives an obnoxious odor and depletes dissolved oxygen further.
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If your blood becomes too diluted, what will happen to the red blood cells?
A. They absorb some of the ions to balance the concentration.
B. They undergo lysis.
C. They undergo crenation.
D. They become turgid.
A B C or D i rlly dont need anything else
Answer:
C
Explanation:
honestly this is just my answer I'm not even sure I'm just trying to get points
Answer:
B
Explanation:
what is an accurate description of an ecosystem
Answer:
An ecosystem (or ecological system) consists of all the organisms and the physical environment with which they interact.
Explanation:
Hope it Helps!!!
which cellular component of our body are involved in developing infection
Answer:
the white blood cells or leucocytes
Which of the following species of fish have cartilaginous skeletons?
why do farmers prefer to rear hybrid pigs to local pigs
Answer:
Farmers prefer to rear hybrid pigs to local pigs because it provides notable improvements in traits associated with reproductive performance and motherly ability.
Explanation:
used because it provides significant improvement in traits relating to reproductive performance and mothering ability. this is my answerFor which of the following problems would growing and maintaining cover crops be an appropriate solution? (3 points)
I. Erosion is thinning the soil on a farm.
II. The organic matter and nutrients in the soil on a farm are being depleted.
III. The soil on a farm is becoming arid due to decreased water-carrying capacity.
A. I and II only
B. I and III only
C. II and III only
D. I, II, and III
Cover crops are suitable for preventing erosion, evapotranspiration of water from soils, as well as prevent leaching of nutrients. The correct option is D.
Functions of cover cropsCover crops are grown primarily to protect the soil from the following:
water and wind erosionexcessive evaporation of watermineralization of nutrientsweed and pests.In addition, some cover crops are able to fix nitrogen into soils and serve as a source of green manure for the soil.
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subcutaneous emphysema is an indication that
Subcutaneous emphysema is an indication that damage caused by excessive pressure has occurred.
What is subcutaneous emphysema?The term subcutaneous emphysema is a situation in which air is found to enter into the sensitive tissues that are found below the skin.
It could be caused when there is an excessive pressure on the tissue. Thus subcutaneous emphysema is an indication that damage caused by excessive pressure has occurred.
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Which of the following is NOT an example of pseudoscience?
Biology, Chemistry, Physics, and Medicine are not classified under the category of Pseudoscience.
What is Pseudoscience?Pseudoscience may be defined as a recommendation, a determination, or a method of illustration that is delivered as science but that lacks the severity important to the scientific approach.
Pseudoscience may always deal with the concept of recommendation methods which seems to be faulty and does not provide enough evidence to support the answer. Subjects like biology, chemistry, physics, etc. deal with the concept of scientific methods.
The complete question is as follows:
Which of the following is NOT an example of pseudoscience?
BiologyAstrologyChemistryPhysicsMedicine.Therefore, Biology, Chemistry, Physics, and Medicine are not classified under the category of Pseudoscience.
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take a subject or origins or a question you have and write a minimum of 500 words as a research project. Be sure to list all references and resources as part of your bibliography. Other information can be found at a library or other reference source.
To write a report on the origin of life first identify the different theories and then use reliable sources to explain these theories.
What are the theories of the origin of life?Life emerged as a result of chemical reactions that created complex structures.Life first emerged in clay that contained different chemical elements and simple substances.Organic compounds essential to life existed on ice that later melted.Life began in space.How to write a report?Look for credible articles, research reports, etc. that support and explain each of the theories.Using the information from the sources and your own words explain each of the theories, the evidence that proves it, and its flaws.Learn more about the report in:
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