Q: Q: All gymnosperm species and many eudicot species undergo what? A:

OPTIONS:
- exploitation
- mutations
- third growth
- secondary growth

A: secondary growth

Q: Q: What is defined as force per unit area? A:

OPTIONS:
- energy
- resistance
- momentum
- pressure

A: pressure

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

OPTIONS:
- active respiration
- growth rate
- sensitive immunity
- active immunity

A: active immunity

Q: Q: What are butterflies and bees an example of? A:

OPTIONS:
- spores
- species
- parasites
- pollinators

A:
pollinators