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Ecology Quiz 80 (60 MCQs)

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1. Which human activity would preserve nonrenewable resources?
2. All the members of one species that live within an area of an ecosystem
3. The nitrogen cycle helps with the development of .....
4. Shows one possible flow of energy
5. The global system that contains most of the life on earth is .....
6. A log rotting on the ground is .....
7. True or False; Herbivores eat Carnivores.
8. The variety of organisms in an ecosystem or on Earth is
9. Defense of a space against encroachment by other individuals.
10. Plants use carbon dioxide in the process of .....
11. Phytoplankton are the primary producers of the ocean. Where would you be most likely to find plankton?
12. Nitrogen fixation is done by by nitrogen-fixing plants.
13. This ecosystem has trees (both leaf and needle), shrubs, grasses, ferns, and animals.
14. What do all of the cycles of matter have in common?
15. When an adaptation allows an organism to be better suited for its environment, it's called
16. An organism that obtains energy by breaking down dead organisms, faeces and excretory products and it reused by the environment is called a .....
17. In your home, the desk, chair, table, paper, pencil, and refrigerator
18. All of the following make up a habitat except .....
19. Which of the following is NOT a density-independent factor?
20. A living thing in an ecosystem
21. Organisms that play a role in the nitrogen cycle
22. The clearance or removal of a forest of group of trees.
23. Which of the following BEST MATCHES the meaning of the word TEMPERATE.
24. Can organisms absorb nitrogen gas directly out of the atmosphere?
25. All of the living things in an area are called
26. All of the different organisms interacting in a pond make up
27. Without the Greenhouse Effect the Earth would be
28. Not eating too much or too little means we are eating in .....
29. To measure population density, you must divide the number of individuals living in a defined space by the
30. An animal that eats other animals
31. The correct order of the organizational level is
32. All the ponds in an area dried up during a drought. Which organism is most affected by the drought?
33. An organism that makes its own food using the sun's energy.
34. All of the energy in the ecosystem comes from
35. Without bacteria in the ecosystem, what would happen?
36. An organism that can produce its own food through photosynthesis
37. Net primary production in an ecosystem over a given period may be BEST defined as the total amount of
38. When organisms leave an ecosystem
39. What does the term carrying capacity describe?
40. A ....., such as mushrooms, breaks down organic material.
41. Since frogs breathe through their skin, they do not easily absorb pollution
42. When nitrogen gas is turned in to a form that plants and animals can use, this is called:
43. The place where an organism naturally lives and grows
44. Increase-decrease
45. An organism that eats both plants and animals is known as a(n)
46. Which of the following would be included in a drawing that BEST describes an ecosystem?
47. Organisms that need nitrogen to survive
48. Examples of natural elements of the environment are:
49. Shira and I have new bikes ..... bikes are red.
50. Of the following, which is the correct sequence for the flow of energy in a food chain?
51. Which is in the correct order?
52. The way in which individuals of a population are spread out is called
53. They may be able to live in only one type of habitat, tolerate only a narrow range of climatic and other environmental conditions, or use only one type or a few types of food.
54. When two different strains of bacteria are cultured together in the same petri dish, their populations are not as great as compared to when they are cultured alone or individually. What type of interaction does this scenario represent (two species needing the same limited resources)?
55. Phosphorous is passed from plants to ..... who eat them
56. Which is an abiotic factor in a stream ecosystem?
57. What do consumers give off that producers need?
58. Which of the following is NOT a consumer
59. ..... cannot make their own food.
60. This biome has two main seasons:wet and dry. It has cold winters and warm summers. Most of the animals that live here are herbivores.
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