Factors contributing to the likelihood of contracting hiv infection include:
a. number and frequency of sexual contact
b. intravenous drug use
c. sexual partner of people with hiv/aids
d. people with other sexually transmitted diseases
e. all of above

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

What are 3 reasons that natural selection occurs

In which order does sexual reproduction take place in plants? a. pollination, germination, fertilization b. germination, fertilization, pollination c. pollination, fertilization, germination d. fertilization , pollination, germination