Q: Q: The amount of what entering the eyes helps control the biological clock? A:

OPTIONS:
- air
- energy
- heat
- light

A: light

input: OPTIONS:
- pancreas
- heart
- receptors
- thymus Now, answer this question: Q: What produces hormones referred to as thymosins, which contribute to the development of the immune response in infants? A:
A:
output: thymus

Q: When an ionic compound dissociates in water, water molecules surround each ion and separate it from the rest of the what? A:

OPTIONS:
- electron shell
- mixture
- gas
- solid

Answer: solid

Problem: OPTIONS:
- Organisms
- Beings
- mammals
- species
Q: Q: Human beings depend on learned behaviors more than any other? A:
Answer: species

Problem:OPTIONS:
- waterproofness
- webbed feet
- bonelessness
- flightlessness

Q: What important and unusual physical property (for birds) do ostriches and penguins share? A:
****
A: flightlessness

Problem:OPTIONS:
- finds them
- develops them
- exposes them
- kills them

Q: First, high temperature denatures proteins and does what to cells? A:
****
A:
kills them