Don’t know the answer to the first one but the last one should be histones
Answer:
Disease resistant traits and selective breeding.
Explanation:
Disease resistant traits in wild plants and animals are helpful if these traits are present in our plants and animals in order to maintain its high quality. We can modify both our meat and plants with the help of selective breeding of high quality plants and animals. Due to selective breeding, we can achieve the desired characteristics through modification in our plants and animals.
Answer:
A population bottleneck or genetic bottleneck is a sharp reduction in the size of a population due to environmental events such as famines, earthquakes, floods, fires, disease, and droughts or human activities such as specicide and human population planning.
Explanation:
D.
They break down dead organisms.
