Answer:
May be of the environment they live or genetics.
Explanation:
This naked mole rat species evolved back to an ectothermic life style rather than staying endothermic like all other mammals because of the environment they live or change in the genetic makeup. The main reason for this evolution may be the environmental they lives or through the change in genetic makeup of this naked mole rat species so both factors can contribute in the evolution.
It's biohazard. Also if it's flammable the symbol will show a flame and if it's corrosive it'll show a image with a hand being dissolved or like a spot missing by a liquid being dropped from a tube
Tissue is a group of cells that have similar structure and that function together as a unit. ... There are four main tissue types in the body: epithelial, connective, muscle, and nervous. Each is designed for specific functions