Q: Answer the question

In which scenario below would natural selection most likely occur?
OPTIONS:
- centuries of gradual climate change
- catastrophic destruction of habitat
- rapid and profound climate change
- immediate loss of primary food source

A: centuries of gradual climate change

Q: Answer the question

Puddles on a sidewalk are evaporating quickly. What most likely causes the puddles to evaporate?
OPTIONS:
- heat
- clouds
- air
- water

A: heat

Q: Answer the question

A scientist conducts an experiment on the growth rate of a specific species of plant. Which of these is needed for the data to be relied upon by other scientists?
OPTIONS:
- The investigation must use many variables.
- Equipment used in the investigation must be new.
- Results of the investigation must be recorded accurately.
- The investigation needs to be performed by well-known scientists.

A:
Results of the investigation must be recorded accurately.