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Ecology Quiz 255 (20 MCQs)

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1. An area of land where plants and animals interact with all of the things they need to live like air and water is
2. The ultimate source of energy for most ecosystems is
3. Many different types of living things in an area; for example:all life in the rainforest.
4. All living things get their energy from which of the following sources?
5. A lion that eats a zebra that eats grass is a
6. Type of growth that occurs under ideal conditions?
7. ..... feed on dead leaves and animal feces, among other debris.
8. Species that are indigenous to an area with no human intervention
9. A community is defined as
10. A part of Earth in which life exists including land, water, and air or atmosphere is called a
11. The final end point of succession is called .....
12. What do all food chains start with?
13. Logistic growth is:
14. What type of symbiosis? * Skunk Cabbage plants attract flies in cool weather by making heat and provide food to the flies that come. * Flies move from one Skunk Cabbage plant to the next feeding and transferring pollen as they go.
15. If an eagle eats a mouse that eats some berries, the eagle is a .....
16. In lakes in New York State that are exposed to acid rain, fish populations are declining. This is primarily due to changes in which lake condition?
17. Components of an environment that are living or from something living
18. Each step in a food chain is called a trophic level. What percentage of energy available at one trophic level is transferred to organisms at the next level?
19. When a field is burned to prepare it for farming, the energy that was present in the field:
20. Humans have a considerable effect on the hydrologic cycle. Which of the following has a direct effect on this cycle? I. Deforestation II. Urbanization III. Mining of fossil fuels
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