Q: Answer the question

A student recorded the amount of rain that fell in one year in his city. What is the best way for him to organize his information?
OPTIONS:
- diagram
- graph
- journal
- map

A: graph

Q: Answer the question

Which type of organism is the best at fixing nitrogen?
OPTIONS:
- bacteria
- fungi
- protists
- animals

A: bacteria

Q: Answer the question

Which situation is the best example of ecological succession?
OPTIONS:
- An organism survives a difficult winter.
- The populations in an area remain the same.
- One species replaces another species in an ecosystem.
- Each of several species uses the same amount of resources.

A:
One species replaces another species in an ecosystem.