To produce a more desirable fruit, a farmer crosses a tree that produces sweet oranges with a tree that produces large oranges.

Cricket frogs prefer to sleep during the day, while red-eyed tree frogs prefer to sleep during the night.

Pesticides are sprayed in a field, resulting in an increase in crop growth and a decrease in insect population.

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

Natural selection is the only cause of changes in a species.

Natural selection usually causes a species to change suddenly.

Natural selection does not cause a species to change.

Natural selection usually causes a species to change gradually.

examining a person's pedigree to determine whether they carry a gene for a genetic disease

giving crop plants recombinant DNA so that they will be resistant to herbicides

inserting genes into bacteria so that they will produce a needed medicine

analyzing a person's DNA to see how closely they are related to another person

improved nutritional content

reduction of pesticide use

increased crop yields

all of these

speed in horses

eating bamboo in panda bears

flying in bats

breathing air in dolphins

fish being able to breathe through their gills

gorillas having black fur

kangaroos having a pouch

apples coming in many different varieties

a cow with large, strong hooves

a cow with thick, soft fur

a cow that can run quickly

a cow that makes a lot of milk

True

False

True

False