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Ecology Quiz 147 (20 MCQs)

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1. The taiga is found in parts of .....
2. Which of the following could be a density-independent limiting factor in the desert?
3. Sheep and kangaroos require the same food ..... grass. This is an example of:
4. What is the term for each step in the transfer of energy and matter within an ecosystem?
5. What type of graph is this?
6. They are considered endemic (found only in a specific region). Examples:Perch, Robin, Evergreen trees, apple trees.
7. An organism that obtains energy by consuming plants.
8. Which organism is a tertiary consumer?
9. The general word for an area of land that acts like a sponge and has wet soil and is underwater at some point during the year .....
10. A symbiotic relationship exists between two organisms of different species. If only one organism benefits from the relationship and the other is harmed, the relationship is called .....
11. A keystone Species is an organism that is eaten by other organisms.
12. All organisms interact with other organisms in their surroundings and with the nonliving portion of their environment; interconnectedness
13. An organism that eats both plants and animals is called
14. If a species in no longer found living on Earth it is
15. It is a field within both ecology and evolution that examines how interactions between and within species evolve.
16. Epiphytic plants live on trees in the canopy layer of tropical forests. They use water and detritus collected on the parts of trees, but do not take any nutrients from the tree itself. This relationship is best described as:
17. A shark and a remora relationship where one is benefited and one is not harmed or helped is an example of which type of symbiosis?
18. Green Mix are usually .....
19. Uses the sun to make its own food for energy. All plants.
20. A model that shows how energy flows through a system is called a(n) .....
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