I believe it is "arctic predators or winter hunters" they all hunt in the snow and all of them are predator which mean they eat all different types of small animals like mice.
The answer is D, serving as a primary source of energy for the body.
C because he is making a hypothesis that coloration which is the independent variable is making the change.
PH is a measure of how acidic something is
The correct answer is 4) A dichotomous key is complete when each organism stands alone.
The statement about a dichotomous key that is true is "A dichotomous key is complete when each organism stands alone."
Scientists have the need to correctly identify organisms, animals, plants, and objects. For that to happen, they have dichotomous keys.
These tools help them to identify and give a correct name that differentiates from other objects and organisms. So the most important thing about the dichotomous key is the fact that it identifies an organism, species or objects with its scientific name.
