Which of the following is an example of natural selection? a. to produce a more desirable fruit, a farmer crosses a tree that produces sweet oranges with a tree that produces large oranges. b. cricket frogs prefer to sleep during the day, while red-eyed tree frogs prefer to sleep during the night. c. pesticides are sprayed in a field, resulting in an increase in crop growth and a decrease in insect population. d. rabbits with a mutation for longer, thicker fur survive an unusually cold winter, while many normal rabbits do not survive.

It should be D, because the rabbits that survived did so due to natural selection.

The answer is D. Rabbits with a mutation for longer, thicker fur survive an unusually cold winter, while many normal rabbits do not survive.

i'd say that the moon rock is about 2.2 billion years old.

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )