Question

The tendency to change physiologically depending on the environmental circumstances (such as fruit flies developing an extra abdomen when ether gas is around) is appropriately called

a. plasticity.
b. natural selection.
c. Lamarkian acquired characteristics.
d. survival of the fittest

Answer 1

Answer: PLASTICITY.

Explanation: Plasticity in Biology can be defined as the adaptability of an organism to changes in its environment or differences between its various habitats. Also known as phenotypic plasticity. The behavior, morphology, and physiology of an organism is capable of changing in response to stimuli in a new environment.

Answer 2

a. plasticity.

Step-by-step explanation:

Plasticity is an organisms ability to change physiologically depending on the environmental circumstances, it is the ability of an organism to change in response to an external stimuli by applying an appropriate physiological adaptive response.