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Ecology Quiz 33 (60 MCQs)

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1. Which of the following is true regarding mangroves?
2. What does every food chain start with?
3. The concept that predators can affect the size and distribution of other animals is known as
4. It is possible for a carnivore to also be a producer.
5. All food chains must start off with:
6. A hookworm consumes nutrients and water from within the intestines of its host. This is an example of:
7. What is the defintion of a population?
8. Mutualism is where
9. The position an organism holds in a food chain
10. The primary cause of the introduction of invasive species is .....
11. Water / air pollution
12. What growth allows for unrestricted population growth that follows a J-shaped curve?
13. What is the main gas in our atmosphere?
14. Nitrogen in the soil has been fixed by bacteria. It is now available for use by .....
15. Which of these does NOT put carbon back into the atmosphere?
16. What type of symbiosis? *Honeyguide birds find a bee hive, then chatter loudly to attract the Honey badger. They fly toward the hive making sure the badger is following. *Upon arrival at the bee hive, the badger tears open the hive and feasts on the honey. Then the Honeyguide bird feeds on the remaining wax and larvae.
17. This biome is characterized as having cold winters and warm summers, trees that lose their leaves, and includes animals such as deer, black bears, and blue jay .....
18. The role of an organism in its habitat (how it makes its living) is called:
19. Which shows a biotic factor interacting with an abiotic factor
20. What do the arrows in a food pyramid represent?
21. A relationship between two organisms where one organism benefits and the other organism is harmed is known as .....
22. Food chains and food webs are models in science which visually show us the different relationships within an ecosystem. The primary difference between the food chain and the food web is .....
23. What would be a good example of a primary consumer?
24. How much energy is passed from one trophic level to the next?
25. Appears to be the .....
26. As water cycles through an ecosystem, which process returns it to the atmosphere?
27. Ozone depleting substances (ods)
28. A synonym for the word "balance" is:
29. Consumer that eats plants:
30. The end result of ecological succession is usually a(n)
31. A biotic factor that limits the size of a population would be:
32. A major regional or global community of organisms is a .....
33. What happens to the temperature if more greenhouse gases are released into the atmosphere?
34. What is an example of an abiotic elements that may change an area?
35. Which gas do plants release, that humans depend on for survival?
36. Which is a product of photosynthesis?
37. A baby song bird hatches from its egg with both parent songbirds watching.
38. In the ..... zone, the process of photosynthesis cannot occur.
39. Ecosystems change over time, especially after disturbances, as some species die out and new species move in.
40. Which is a density-dependent factor?
41. What is the defintion of an individual?
42. Which characteristic of water vapour classifies it as a greenhouse gas?
43. If there is more food than usual in an ecosystem, then .....
44. Tapeworm living inside an alpaca
45. ..... are composed out of carbon (C), hydrogen (H), oxygen (O), nitrogen (N), and phosphorus (P)
46. Choose the right meaning:bottle
47. Which organism can best be described as a saprotroph?
48. Different birds have different beak structures. This is an example of:
49. An organisms Niche can be defined as
50. Organisms adapted to a certain value of factors are called
51. Hyenas are at the bottom of the food chain.
52. If there is a fire in a forest, there will be less ..... in the environment?
53. A group of deer is a .....
54. What happens to energy after it has flowed through a food chain?
55. A nonnative organism that disrupts or changes the balance of an ecosystem
56. What is not true about marine life?
57. The number and VARIETY of organisms in a given area during a specific period of time.
58. The area where the fresh water of a river meets the salt water of the ocean. Commonly has severe changes in salinity depending on the tides
59. What is the most abundant gas in the atmosphere?
60. Recycling of garbage, solid wastes and certain crops for generating energy has been accomplished already.
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