Answer:
Population Size and Density: Total size is generally expressed as the number of individuals in a population. ...
Population dispersion or spatial distribution: ...
Age structure: ...
Natality (birth rate): ...
Mortality (death rate):
Explanation:
Answer:
4
Explanation:
Producers are at the bottom of the energy pyramid because they prove the most energy, they make up most of the population, which is biomass. And the producers have the largest population, which is why they are at the bottom of the pyramid of numbers. Finally they are at the bottom of food chains and webs because they store the most energy inside of them.
Ok so, there's a total of 20 squirrels in all
The fraction of brown squirrels would be 5/20
5/20 as a decimal is .25
To convert that to a percentage you multiply by 100: .25×100=25
So the correct answer is 25%
<span>Which type of immunity defends against any type of invader?
</span>
Answer : Nonspecific