Explanation:
they all are congruent figures
Fewer. more expose to sun could kill plants off.
The study of heredity which is a biological process where a parent passes certain genes (traits) onto their offspring. <span>Heredity is the process that makes variations between individuals causing the evolution of species by natural selection. Inherited traits are controlled by one or more genes The study of heredity in biology is genetics.</span>
The correct answer is stem cell research and animal testing.