This is a scientific question because you could conduct an experiment to test the theory.
Answer:
I believe the answer is A) energy pyramid
Explanation:
It's talking about trophic levels, as opposed to individual organisms.
George MacDonald helped collect and build models of mosquitoes for Sir Ronald Ross. Hope this helps :). <span />
The independent variable is the type of food available.<span>The dependent variable is the frequency of each type of beak (or number of birds with each beak type)</span>
Answer:
The endocrine system secretes hormones into blood and other body fluids Hormones provide feedback to the brain to affect neural processing. Reproductive hormones affect the development of the nervous system.
Explanation:
