Problem: OPTIONS:
- annual
- biannual
- monthly
- circannual
Q: Q: What type of behavioral rhythms are linked to the yearly cycle of seasons? A:
Answer: circannual

Problem:OPTIONS:
- bacteria and tumors
- molecules and fungi
- tumors and fungi
- bacteria and fungi

Q: Humans use many compounds that were first discovered or derived from living organisms as medicines: secondary plant compounds, animal toxins, and antibiotics produced by these? A:
****
A: bacteria and fungi

Q: From what did the first proto-oncogenes arise? A:
OPTIONS:
- spores
- carcinogens
- bacteria
- viral infections
viral infections

Q: What rigid external structure protects shellfish and other animals and provides points of attachment for the muscles that move the appendages? A:
OPTIONS:
- claw
- cocoon
- membrane
- exoskeleton

Answer: exoskeleton

Question: Q: Diffusion is an effective transport mechanism over the spatial scales typically found at what level? A:
OPTIONS:
- electromagnetic
- molecular
- atom
- cellular
Answer: cellular

input: OPTIONS:
- respiration
- glycolysis
- digestion
- photosynthesis Now, answer this question: Q: What process allows plants to convert light energy into sugars and energy for food? A:
A:
output:
photosynthesis