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Ecologists study both biotic and abiotic factors and how they interact. Therefore, ecologists often use methods and data from other areas of science, such as geology, geography, climatology, chemistry, and physics.
Abiotic factors refer to non-living physical and chemical elements in the ecosystem. Abiotic resources are usually obtained from the lithosphere, atmosphere, and hydrosphere. Examples of abiotic factors are water, air, soil, sunlight, and minerals
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Through geology and geography, we can study biotic and abiotic factors within an ecosystem.
How can you study biotic and abiotic factors within an ecosystem?The interactions between biotic factors, such as organisms like flora and fauna, and abiotic factors.
For example, all animals (biotic factors) breathe in oxygen (abiotic factor). All plants (biotic factor) absorb carbon dioxide (abiotic factor) and need water (abiotic factor) to survive.
Thus, geology and geography, are the two ways to study biotic and abiotic factors within an ecosystem.
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The total wind power capacity in the united states in 2000 was about 2540MW. By 2015, the total wind power capacity in the United States was about 72,500MW Calculate percent change in the total wind power capacity in the United States from 2000 to 2015. Show the work
Answer:
2754.33% increase
Explanation:
The total wind power capacity in the united states increased between 2000 and 2015. The percent change in the total wind power capacity in the United States from 2000 to 2015 is given by the formula:
Percent change = [(total wind power capacity in 2015 - total wind power capacity in 2000) / total wind power capacity in 2000] * 100%
Percent change = [(72500 MW - 2540 MW) / 2540 MW] * 100%
Percent change = 2754.33% increase
Power is the amount of energy transferred or converted per unit of time. In the International System of Units, the unit of power is the watt, equal to one joule per second.
The total increase is 2754.33% increase
The total wind power capacity in the united states increased between 2000 and 2015. The percent change in the total wind power capacity in the United States from 2000 to 2015 is given by the formula:
Percent change = [(total wind power capacity in 2015 - total wind power capacity in 2000) / total wind power capacity in 2000] * 100%
Percent change = [tex]\frac{[(72500 MW - 2540 MW)}{ 2540 MW }* 100%[/tex]
After solving the equation the percent change = 2754.33% increase.
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(HELP) what types of elements that bond with ionic and covalent bond.
Is 3600 calories too much for a 73 pound 4 foot 5 13 year old to gain muscle
Answer:
Yes
Explanation:
Most active males are encouraged to eat around 2800-3000 calories per day. 3600 for a 4'5" 13 year old is far too much for someone who is so young and so small.
Please help me anyone asap!
Answer:
c
Explanation:
Bring the top letter down and bring the side letter to whichever corresponding box.
Explain why the human population must seek balance between the need for food and environmental protection
Answer: Because currently the type of human food and the way it is produced, damages the environment of our planet. And if this continues, we will reach an irreversible point where we will destroy the only planet we have to live on.
Explanation:
Humans need to eat a varied and balanced diet, so a correct diet must contain adequate amounts of proteins, lipids, carbohydrates, vitamins and minerals. In addition, it is necessary to take into account the need for drinking water. However, the modern diet is often unbalanced, unstructured and is often associated with an increasingly sedentary lifestyle.
Human activities to produce food are carried out through land clearing, tillage and the introduction of new plant and animal species, and their effects depend on the extent and frequency of exploitation. An example is the elimination of native vegetation or the passage of heavy machinery, in order to use these lands to raise farm animals that will eventually produce meat and milk for consumption but at the cost of damaging forests. Reducing the amount of forests and vegetation has severe consequences in terms of climate change and the further increase of torrential rains and floods. So, this is an example where increased production of one type of food produces severe damage to the environment. In addition, the main source of contamination is found in the wastewater from slaughterhouses, which includes feces and urine, blood, lint, laundering and residues of meat and fat from carcasses.
In some cases, population growth has led to intensified land use and increased productivity in areas already prepared for cultivation. In other cases, population growth has not been matched by increases in productivity, leading to an increase in land devoted to food production.
On the other hand, the high consumption of processed foods (candies, cookies, mayonnaise, etc.) is packaged in plastic containers that are highly pollutant. Therefore, moving away from a more natural food, makes us produce more garbage.
It is necessary to find ways to achieve a sustainable balance without giving up the fight against hunger and environmental protection. However, there are currently economic interests that influence the forms of production and the type of food the population eats. And the increase in the world's population means that arable land per inhabitant is constantly decreasing. The environmental impact that natural and human systems can tolerate has its limits.
There are also more and more farmers reducing the use of pesticides and fertilizers, but this production is limited in relation to total food production. There is evidence that these production strategies, in addition to being more environmentally beneficial, are economically viable for the market sectors they serve. However, most large-scale commercial producers find the intensive use of pesticides and mineral fertilizers economically profitable, and there has not been a general acceptance of environmentally friendly production technologies such as integrated pest management and integrated plant nutrition systems.
As a summary, currently the type of food we eat and the way we produce it, damages the environment of our planet. And if this continues, we will reach an irreversible point where we will destroy the only planet we have to live on.
On the pH scale, acids fall between ____ and bases fall between
0 1 and 5; 6 and 12
O and 6.9; 7.1 and 14
O and 6; 7 and 14
2 and 3: 8 and 9
Answer:
The correct answer is - O and 6.9; 7.1 and 14
Explanation:
A measuring scale that tells about the acidity or basicity or alkaline nature of a particular object or solution is possible with the help of a pH scale that measures how acidic or basic a solution or object is.
It ranges between 0 to 14. pH less than 7 or ranging from 0.0 to 6.9 is acidic and more than 7 or from 7.1 to 14.0 is basic or alkaline in nature. A measure of the relative amount of H+ ion and OH- ions in water is pH.
can someone pls answer the first 2
There will be a total of four haploid cells produced at the end
There will be one chromosome at the end of each cell
Name the levels of biodiversity?
When birds migrate into or out of a defined population and mate with birds from another population, the existing pool of genes may be altered. Migration can increase or decrease gene frequencies in populations, resulting in...
greater genetic variation, which may enhance chances of survival.
less genetic variation, which will not influence chances of survival at all.
selective breeding, which may enhance chances of survival.
natural selection, which will not influence chances of survival at all.
Answer:
i belive it is A
Explanation:
i am not at all positive so dont come at me but hopefully this helps
Migration can increase or decrease gene frequencies in populations, resulting in greater genetic variation, which may enhance chances of survival.
What do you mean by genetic variations?Genetic variation is the difference in DNA among individuals or the differences between populations. The multiple sources of genetic variation include mutation and genetic recombination.
Genetic variations can arise from gene variants (also called mutations) or from a normal process in which genetic material is rearranged as a cell is getting ready to divide (known as genetic recombination).
The genetic diversity has three different sources: mutation, recombination and immigration of genes. Mutation is the driving force of genetic variation and evolution.
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What must be the genotype?
Answer:
XnY
Explanation:
II-2 is a male so the genotype must have a Y in it. Majority of the other options do not have Y, so they are incorrect. Because the individual is male, the father has passed a Y chromosome, while the mother has passed an X chromosome. The X chromosome is Xn because the mother is hemolytic, which is a recessive trait. So both the mother's X chromosomes carry the hemophilia trait.
Asexual reproduction of organisms normally results in new organisms that contain cells with
Answer:
Explanation:
cell that contains two complete sets of chrom ... reproduction of diploid 0rg~~-ms normally results in new 0rga~-~~ms that ... what would most likely happen if miis was not accompanied by cytoplasmic division .
Answer:
the same number of chromosomes found in the cells of the parent
Explanation:
Which statement about water on Earth is true?
There is more water underground than in the oceans.
More freshwater is in the atmosphere than on the surface.
More freshwater is located underground than on the surface.
There is more water in rivers and streams than in the oceans.
More freshwater is located underground than on the surface.
Answer:
More freshwater is located underground than on the surface.
The statement about water on Earth is true that more freshwater is located underground than on the surface. Thus, option C is correct.
What is hydrosphere?The hydrosphere has Water in any location on Earth, which has been including the atmosphere, surface, and underground and hydrosphere can be regarded as one of the main sphere of the earth.
Hydrosphere can be regarded as the total amount of water that exist on the surface of the planet, these can include water in any location on Earth, as well as the atmosphere and surface, and the underground even in the air.
There is more water underground than in the oceans and more freshwater is in the atmosphere than on the surface as well as more freshwater is located underground than on the surface.
Therefore, The statement about water on Earth is true that more freshwater is located underground than on the surface. Thus, option C is correct.
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What human factor has an impact on the flooding of the Yangtze River
Answer:
Deforestation directly increases erosion and siltation rates. There is an increased risk of flooding in Yangtze River basin in China and the major river basins in East Asia and the Amazonian basin .
Explanation:
a cell that was unable to produce rna polymerase would not be able to undergo...
a: replication
b: mitosis
c: transcription
d: translation
Answer:
c: transcription
Hope it helps ❤️
A cell that was unable to produce RNA Polymerase would not be able to undergo transcription. So, the correct option is C.
What is Transcription?Transcription is defined as the process by which a cell makes an RNA copy of a piece of DNA where the RNA copy is known as messenger RNA (mRNA) which carries the genetic information needed to make proteins in the cell. This process moves information from the DNA to the cytoplasm in the nucleus of the cell, where proteins are made.
Transcription is carried out by enzymes known as RNA polymerase which add nucleotides to form an RNA strand using the DNA strand as a template. A cell that was unable to produce RNA Polymerase would not be able to undergo transcription.
Therefore, the correct option is C.
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example of a fossilized organism that has been found from the late Precambrian and contains cyanobacteria?
Answer:
Mats of algae called stromatolites.
Explanation:
Example of a fossil organism that has been found from the late Precambrian period is stromatolites. stromatolites are layered sedimentary formations that are produced by photosynthetic cyanobacteria. These cyanobacteria produces adhesive compounds that joins sand and other rocky materials in order to form mineral called “microbial mats”.
How would the overfishing solution be implemented?
Answer:
Implementing the limit of the fish catch number is one of the best ways to reduce overfishing. By limiting the fish catch, the government and other organizations could help the fish population to recover and breed another fish. So the fish population will not extinct.
Explanation:
Why are trophic levels important?
Which statement is true about the main ingredient of a cell?
a). The cytoplasm holds all the organelles in place
b).Water makes up more than 75 percent of a cell and surrounds the cell
c).The membrane-bound organelles make up all of the cell
d).The cell membrane encloses and protects the cell
Answer:
Explanation:
Water helps make salt
HELP!! WILL GIVE BRAINLIEST TO 1ST ANSWER!!! NO SPAM PLS!!!!!!!
If germinating seeds could only use fermentation to obtain energy, what changes would you expect in the rate of respiration and growth?
Answer:
There is reduced cellular respiration or energy production if only fermentation is used and this will lead to lower growth for the germinating seed. In contrast to aerobic cellular respiration, fermentation is not an effective source of energy, it only produces few ATP.
Explanation:
Answer:
what that said
Explanation:
ya so I just need points but he is right
Compost helps preserve the health of soil because it _____.
a.contains pesticides that kill insects
b.is a natural fertilizer that helps plants grow
c.breaks rock down into additional soil
d.is an artificial fertilizer to help plants grow
Answer:
is a natural fertilizer that helps plants grow
Which of the following is the term used to describe the chill-point at which a plant may survive, but will grow little if at all?
•Tmin
•zero degrees
•base temperature
•frost point
1. Which statement is NOT true about chemical and physical changes?
A. Chemical and physical changes could produce precipitates.
B. Chemical changes produce new substances, but physical changes do not.
C. Physical changes use energy transferred as heat, but chemical changes do not.
D. Physical and chemical changes could require days for their effects to be noticeable.
Answer: A. Chemical and physical changes could produce precipitates.
Explanation:
.
In which of the following scenarios is chemical energy is transformed into thermal energy?
A squirrel uses the energy in seeds to build structures in its body
A tree captures sunlight to produce the sugars it uses for food
A fish is able to swim using the energy it gets from eating plants
A lion’s temperature increases as it uses the energy it gets from its prey
Answer:
A.
Explanation:
Why is the answer to this question c and not b?
Answer:
Option C
Explanation:
See on left side there are more particles on comparing to right side
The concentration of solute is more on left sideSo as diffusion has to happen then the molecules will move from left to rightHow do algae blooms impact aquatic ecosystems?
Answer: Algal blooms can reduce the ability of fish and other aquatic life to find food and can cause entire populations to leave an area or even die. Harmful algal blooms cause thick, green muck that impacts clear water, recreation, businesses and property values
Explanation:
Inbreeding involves what?
A. breeding one species with another to bring in a characteristic.
B. breeding unrelated dogs to increase genetic diversity.
C. breeding for less desirable characteristics.
D. breeding closely-related dogs with similar characteristics.
Answer:
a or d not sure which
Explanation:
what type of plate boundary form trenches
what two functional groups are found in amino acids?
Answer:
Amino acid are organic compound that contains Amino(-NH²) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each Amino acid.
What is the phenotype and the genotype of the white flowered offspring shown in the Punnet square below? Explain how you know by referring to the definition of each.
Answer:
Genotype: The letters that make up the individual. E.g. TT or Tt. ▪ Phenotype: The physical characteristics of the particular trait. E.g. Tall or short. ▪ Dominant trait: Signified by capital letter-E.g. T.
Explanation:
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This diagram below illustrates which specific cellular function?
A. Transcription
B. Transformation
C. DNA replication
D. Translation
Answer:
D. Translation
Explanation:
In the diagram you see a ribosome. Proteins are made at the ribosome, so it must be a process where proteins are being made from something. That something is mRNA. mRNA is made to proteins through a process called translation.
