Answer:
A.
Explanation:
Humans used to use the appendix for good bacterial health in the gut. People used to drink dirty water and eat food that had lots of bacteria. The appendix would save them from infection.
Answer: Fertilization.
Explanation: The male and female gamete fuse together to form fruit. After pollination and fertilization the carpels develops into the fruit.
The growth of fruit is initiated by the growth regulating hormones which is produced by the developing seeds.
The carpels develop into fruit so the number of carpels in a flower determines the degree of pollination and fertilization.
Answer:
A & D
Explanation:
just did it on usatestprep
Answer: 550 million years ago according to the internet.
Explanation:
