Q: Most carcinogens produce mutations in genes that control what? Choices: - ubiquitous cycle - digestive cycle - proteins cycle - cell cycle A:
cell cycle

Q: What is a common name for the descriptive hypothesis that help to understand patterns of descent? Choices: - genetic trees - genetic order - gene mapping - evolutionary trees A:
evolutionary trees

Q: Q: What sustains the fetus while it grows inside the mother's uterus? Choices: - bacteria - endometrium - mitochondria - placenta A:
A: placenta

Question: Q: Torpor, a process that leads to a decrease in activity and metabolism and allows animals to survive adverse conditions, includes what long winter 'sleep'? Choices: - fermentation - pollination - relaxation - hibernation A:
Answer: hibernation

*Question*
Q: What type of fertilization usually occurs in aquatic environments where both eggs and sperm are released into the water? Choices: - static - material - Internal - external A:
**Answer**
external

(Q).
Q: What is formed when an element gains one or more electrons? Choices: - cation - ion - neutron - anion A:
(A).
anion