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lozanna [386]
3 years ago
13

How do ecologists ues modeling?

Biology
1 answer:
jekas [21]3 years ago
6 0
As we know, ecologists study living things in their nonliving environment.  For example, they could use a mathematical model to predict the weather in a few years, helping them figure out the population of the animals.  They can use a physical model to compare on a diagram the population of different animals in different areas.  Hope this helps, since I'm still 8th grade and science isn't exactly my best subject, but I tried.    :)

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Receipt of extracellular signals can change cell behavior quickly (e.g., in seconds or less) or much more slowly (e.g., in hours
balandron [24]

Answer:

A. Molecular changes such as extracellular signals on extracellular ligands can result in quick changes in cell behaviour. One example is insulin. Upon insulin binding on the receptor on the cell membrane, the cell release GLUT4 transporters (for muscle cells) to increase uptake of glucose.

B. Slow changes in cell behaviour can be observed for other lipophilic hormones or intracellular receptors such as glucocoortoid or estrogen which reacts with receptors in the cells.

C. Insulin is required to maintain a constant blood glucose level and hence levels of insulin has to be mediated in correspondence to the blood glucose levels. Fast acting signalling is thus required for homeostasis of blood glucose levels. Where for such lipophilic hormones such as steriods, glucocortoid, these hormones tend to have a longer lasting effect and hence results in a slow change.

6 0
3 years ago
In a population of 1000 individuals, 200 new individuals were born and 100 individuals died over the course of 1 year. Which equ
BigorU [14]

Answer:

C

Explanation:

0.20-0.10=0.10

because the population was decreased

6 0
3 years ago
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What would be the independent variable in the following hypothesis?
Tamiku [17]
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The reason for this is that red tide increases or decreases will happen independently of the amount of sea turtle sickness - therefore increasing sea turtle sickness will be dependent on the first variable. (independent one).
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What two types of macromolecules are the main components of myelin? A. carbohydrates and lipids B. proteins and nucleic acids C.
strojnjashka [21]

Answer: Option A) carbohydrates and lipids

Explanation:

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Thus, Myelin is composed of lipids and carbohydrates

5 0
3 years ago
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Leya [2.2K]

Answer:

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