The function of the plasma membrane is to only allow certain items through, while blocking the rest.
Answer:
A. amount of food available
Explanation:
An experiment consists of two types of variables, independent and dependent. Value of independent variable is decided by the person doing the experiment and is independent of experimental conditions. Value of dependent variable is dependent on the independent variable. It can not be altered by the person doing experiment.
Here, it is given that mice receive variable amount of food each day and their lifespan is recorded. Since the amount of food is decided already it is the independent variable. The lifespan is expected to depend on the amount of food hence it is the dependent variable.
Answer:
grass, grasshopper, frog, snake, fox, mountain lion
One of the most commonly damaged nervesduring head trauma is Cranial Nerve I, the olfactory nerve. ... The optic nerve, cranial nerve II, can be damaged by skull fractures. If sheared, it leads to permanent blindness in the affected eye.Apr 21, 2017
