1.
____ succession occurs in a barren, lifeless habitat; the beginning step of ecological succession after an extreme disturbance
2.
____ succession occurs in an area that still has soil; happens when an environment is impacted by a disturbance
3.
The first colonizers in an environment in a succession
4.
What the series of changes of the life forms present in an area is called
5.
The final stage of succession
6.
The climax community that develops from a deflected succession is called a ____ community
7.
Only about ____ percent of energy is transferred from prey to the consumer
8.
What is each level in an ecological pyramid called?
9.
The kcal is a unit used to measure ____
10.
This is the source of all of the natural energy on Earth
11.
There are the primary producers, primary consumers, secondary consumers, and ____ consumers in an ecological pyramid
