Q: Q: Invertebrates make up what percentage of all animal species? A:

OPTIONS:
- 90 percent
- 50 percent
- 30 percent
- 95 percent

A: 95 percent

input: OPTIONS:
- acids
- bases
- enzymes
- hormones Now, answer this question: Q: Low levels of thyroid hormones in the blood cause the release of what by the hypothalamus and pituitary gland? A:
A:
output: hormones

Q: A redox reaction rearranges what subatomic particles? A:

OPTIONS:
- neutrons
- water molecules
- protons
- electrons

Answer: electrons

Problem: OPTIONS:
- gaseous reaction
- acid reaction
- balanced reaction
- chemical reaction
Q: Q: In which type of reaction are compounds formed? A:
Answer: chemical reaction

Problem:OPTIONS:
- viruses
- peptides
- tumors
- antigens

Q: What are molecules that the immune system recognize as foreign to the body? A:
****
A: antigens

Problem:OPTIONS:
- adult stages
- intermediate stages
- both
- all

Q: What stages in the life of a cell does the cell cycle include? A:
****
A:
all