1. Ecology Jeopardy

2. What do you call the variety of species that live in an ecosystem?
biodiversity

3. What does a high level of biodiversity do to the stability an ecosystem?
Increases it

4. Changes in climate (weather over a long period of time) can affect
biodiversity

5. Changes in population size can be caused by
Births and deaths
AND
Immigration/emigration

6. What type of organism can photosynthesize
Producer
Autotroph
plant

7. Which nutrient is most important for healthy soil?
nitrogen

8. Changes in the population of an ecosystem are usually caused by….
Natural processes

9. What are TWO biotic factors that oxygen travels through
Plants (exit through photosynthesis)
Animals (enters through cellular respiration)

10. What is ONE abiotic factor oxygen travels through
air

11. Changes in climate do not affect an ecosystem much beacuse
They occur slowly.

12. What level of a pyramid gets the least amount of energy?
Top level consumers

13. How would hunting destroy an ecosystem?
Food web falls apart

14. Why would a new species, not native to an ecosystem, be a threat to other organisms living there?
No natural predators

15. Energy pyramids show…
The amount of energy at each trophic level.

16. Food chains/Webs show….
Feeding relationships.

17. What is the rule of 10?
Only 10% of energy is passed through each trophic level.

18. How is most energy lost?
As heat

19. Define carrying capacity.
The amount of organisms an ecosystem is capable of carrying.

20. If human activity destroys an ecosystem, why would that limit genetic adaptations?
Not enough time to reproduce and have a new population adapt

21. What is habituation?
When a behavior becomes a “Habit” and the organism no longer reacts

22. What occurs when something is magnified?
It is made larger

23. What occurs when something is biologically magnified?
The effects on living organisms are made larger

24. What is trawling?

25. More carbon in the atmosphere causes…
Increased heat
Increased sea levels

26. Besides the sun, what 2 things are essential to a strong food web?
Producers
decomposers