Pillbugs are placed in a container where they have a choice of a wet or a dry environment. Researchers record how much time was spent on each side. what is the independent

Growth of chest hair, deepening of the voice, and muscle growth are secondary sex characteristics. which most likely affects the development of these traits? testes ovaries prostate gland vulva

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above