Ecology Quiz 178 (20 MCQs)

Quiz Instructions

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1. Organisms that cannot make their own energy-rich particles
2. The primary source of energy for all food webs comes from
3. Which phrase best describes an ecosystem? (Biotic and Abiotic?
4. The park isn't clean. There is ..... rubbish.
5. Biodiversity refers to:
6. After being introduced in the 1930's, the fire ant became established in the southern United States. One biological way to control fire ants might be to introduce organisms that are
7. What can we do to protect our environment?
8. Grass and trees are examples of
9. When two speices work togher for their survuval
10. An association between two organisms with in a community which one benefits
11. What is true concerning an ecological community?
12. In a food web, which type of organism receives energy from the other three types?
13. Which process removes carbon dioxide from the atmosphere?
14. Which biome receives between 0 and 25 centimeters of precipitation each year, has a temperature range from-27 to 5 degrees Celsius, has frozen soil, and is home to hares, caribou, and wolves?
15. When members of a population move into a given area, this is
16. Sun, wind water and geothermal energy are considered ..... energy resources since these resources can never run out.
17. Group of ecosystems that share similar climates and typical organisms.
18. It is estimated that humans will cause more than half of the existing species in the world to go extinct in the next 1, 000 years
19. Which of these is an an example of a decomposer?
20. About how much energy is LOST when an organism consumes another organism from a different trophic level?