Which of the following examples likely occurred through natural selection?
A.
In a litter of puppies, some puppies have brown fur while others have black fur.
B.
Some humans have hair on the middle part of their fingers, while others do not.
C.
There are several colors of roses, such as red, white, pink, and yellow.
D.
Giraffes have longer necks than their ancestors.

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.