Answer:
The answer is "The temperature of the water."
Explanation:
Because he is trying figure out if the temperature affects how the crayfish lives
Answer:
Secondary succession takes place where a disturbance did not eliminate all life and nutrients from the environment. ... Buried seeds can sprout shortly after the effects of the disturbance pass, and some may have greater success from reduced competition and reduced shading.
Explanation:
Thomas Hunt Morgan, who studied fruit flies, provided the first strong confirmation of the chromosome theory. Morgan discovered a mutation that affected fly eye color. ... Based on the inheritance pattern, Morgan concluded that the eye color gene must be located on the X chromosome.
Answer:
immature ovulate
Explanation:
An ovulate cone will become a mature gymnosperm cone after all of the ovules mature into seeds.