Answer:
other answer is right but they got the letter wrong, its answer B: Birth defects
Explanation:
Emigrated means they exited so due to the high amounts of pollution all the animals left which cause a population decrease
Light aka the sun I know for a fact
If the trait is sex-linked (on the X or Y chromosome) or autosomal (on a chromosome that does not determine sex).
If the trait is inherited in a dominant or recessive fashion.
