Problem:

Q: What are the effects of light on plant morphology called?   A:
****
A: photomorphogenesis


Problem:

Q: Introduction of antigens into the body through immunization can confer what benefit?   A:
****
A: active immunity


Problem:

Q: What are the largest phylum of the animal kingdom?   A:
****
A: arthropods


Problem:

Q: What small biological structures make up all living things, including the human body?   A:
****
A: