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Ecology Quiz 47 (60 MCQs)

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1. Which of the following organisms plays a major role in all phases of the nitrogen cycle?
2. A pond is a habitat for many fish. What would happen to the fish if there was a long drought?
3. Poacher-poacher pollutant-pollutant
4. Organisms that usually eat other organisms to get energy.
5. What is the ocean floor called?
6. The taiga is found in parts of .....
7. Which of the following could be a density-independent limiting factor in the desert?
8. Sheep and kangaroos require the same food ..... grass. This is an example of:
9. What is the term for each step in the transfer of energy and matter within an ecosystem?
10. What type of graph is this?
11. They are considered endemic (found only in a specific region). Examples:Perch, Robin, Evergreen trees, apple trees.
12. An organism that obtains energy by consuming plants.
13. Which organism is a tertiary consumer?
14. 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 .....
15. 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 .....
16. A keystone Species is an organism that is eaten by other organisms.
17. All organisms interact with other organisms in their surroundings and with the nonliving portion of their environment; interconnectedness
18. An organism that eats both plants and animals is called
19. If a species in no longer found living on Earth it is
20. It is a field within both ecology and evolution that examines how interactions between and within species evolve.
21. 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:
22. 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?
23. Green Mix are usually .....
24. Uses the sun to make its own food for energy. All plants.
25. A model that shows how energy flows through a system is called a(n) .....
26. Carbon is recycled mostly through
27. A producer always
28. Which organism would usually be in the fourth trophic level?
29. Animals that feed exclusively on herbivores are known as
30. The main cause of the increase in the amount of CO2 (carbon dioxide) in Earth's atmosphere over the past 150 years is .....
31. Salinity refers to
32. Abiotic means .....
33. The process of adjusting behavior, or body in order to be more suited to an environment.
34. True or False:Limiting factors can be population dependent and population independent.
35. Which breaks down dead organic materials?
36. A living or once-living organism in its environment is known as what?
37. A producer is a living thing that makes its own food from sunlight, air, and soil.
38. Makes oxygen plants and animals need
39. What type of symbiosis? *The Cattle Egret forages in pastures and fields among livestock such as cattle and horses feeding on the insects stirred up by the movement of the grazing animals. *The cows and horses are not bothered by the cattle egrets.
40. The ability to conserve water is an important adaptation in which biome?
41. What % of the air is made of nitrogen?
42. Why don't populations grow indefinitely?
43. What animal from the list below lives in the arctic ecosystem?
44. This level focuses on all the biotic components in an ecosystem
45. This type of consumer eats only meat.
46. A fully functioning terrestrial ecosystem should always include .....
47. The trees in this biome shed their leaves and grow new ones each year:
48. In creating food for the producer groups in the ecosystem, light energy is converted into what type of energy?
49. Identify the producer in this food chain.
50. The prefix sphere means?
51. How does energy contain in producers get released in consumers?
52. Choose the correct order from smallest to largest.
53. A decomposer is a living thing that gets energy by breaking down dead plants and animals.
54. Is the part of Earth where life exists
55. A diagram that shows the transfer of energy in one line is a .....
56. A system of food chains that shows the transfer of energy is termed
57. Energy and Matter cycles through an ecosystem by
58. What is the layer of Earth that contains all life?
59. An animal or person that eats only meat.
60. All the populations in an ecosystem
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