Download Re-Test Review for B9 Ecology

Name______________Period___________B9 ecology re-test review
Choose the BEST answer for the following questions and mark your responses.
1. What is cellular respiration? what are the end products? Where does it occur?
2. Explain the predator prey relationship. If the numbers of prey increase significantly, what happens next? What
then happens over time?
3. An organism that makes its own food is called a______________________________________.
4. Which point on the curve in the diagram to the right best represents the carrying capacity of the environment
for the population shown? What is carrying capacity?
5. What type of organism is at the top of the food chain?
6. How many trophic levels are depicted in the diagram below? Which organisms are herbioveres? What is a
producer? What are the consumers?
7. The nutrients in organic and inorganic materials in all of the organisms will eventually be recycled back into the
environment by what?
8.
A lichen is composed of two organisms, a fungus and a cyanobacterium. The fungus provides a growing
surface, moisture, and nutrients to the cyanobacterium. The cyanobacterium provides food to the fungus.
What type of relationship is that?
9. If an ecosystem was wiped out and NO soil was left what type of succession would this be? and what would be
one of the first organisms to begin growing?
10.
What is lost to the environment at each of the trophic levels of this ecosystem?