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Ecology Quiz 40 (60 MCQs)

Quiz Instructions

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1. Don't ..... flowers !
2. The role of consumers in a mixed forest ecosystem is played by:
3. What do 99.99% of food chains on the Earth start with?
4. What do we call the land area that supplies water to a river system?
5. The role an organism plays in its environment is known as its
6. This is the animal that is being hunted.
7. Biomass is the total number of organisms in a given area.Which trophic level in the pyramid has the highest biomass?
8. The organisms responsible for denitrification
9. Feed on dead organisms
10. Break down remains and other wastes, and release simple inorganic molecules back to the enviornment
11. A bird living on a tree is an example of
12. Process where the cell uses its food and turns it into energy.
13. An animal that hunts and kills another animal for food
14. What does symbiosis mean?
15. What kind of organism gets its energy by breaking down plants and animals?
16. If the dod do as you tell him. He is .....
17. ..... is a part of oceans, air, rocks, soil, and all living things.
18. A hunter hunting a deer is an example of a(n)
19. An organism that obtains energy by consuming plants and animals.
20. What trophic level contains more organisms than any other level
21. Alice is taking a test in which she has to define"commensalism" . She gets this word confused with "communism" . Please correct her mistake.
22. Which option is abiotic?
23. Water and sunlight
24. Limiting factors .....
25. What percentage of energy is passed on to the next trophic level?
26. Which would NOT be a correct term to describe Simba (a lion) from the Lion King
27. Why is a mushroom considered a heterotroph?
28. Oxpeckers are birds that sit on zebras and rhinos and eat ticks and other parasites that live on their skin. The oxpeckers get food and in return the zebras and rhinos get pest control. When there is danger, the oxpeckers fly upward and scream a warning to help the zebras and rhinos. Which of the following correctly identifies the symbiotic relationship between the oxpeckers and the zebras?
29. A top predator such as a shark has a job to keep smaller fish populations under control. The role the shark plays on the reef is called its .....
30. Define population
31. Which is a first level consumer?
32. Biomes may be terrestrial, aquatic, or atmospheric.
33. The conversion of atmospheric nitrogen into a form that can be used by plants and other organisms
34. Since lynx prey on hares, an increase in the hare population causes an increase in the lynx population.
35. Factors like predation can have a positive benefit to the population of prey organisms because predators tend to keep prey populations below their .....
36. What is the difference between a terrestrial ecosystem and an aquatic one?
37. Which one is a scavenger?
38. No two species can occupy the same niche
39. How many levels of the energy pyramid are there?
40. Biomagnification is when .....
41. A fox who eats berries, insects, and birds is a(n):
42. Abiotic can be defined as?
43. An area where an organism finds food, shelter and water in a specific arrangement
44. Organisms that live at the bottom of the water
45. Which of the following limiting factors is NOT a density dependent limiting factor?
46. An organism that consumes producers (plants) and other consumers for food is called a .....
47. Shows how energy is passed from one organism to the next
48. When water turns into a gas
49. A type of animal adaptation. The animal will sleep all winter.
50. Barnacles attach themselves to a whale and filter feeds as the whale swims throughout the ocean. The whale is unaffected. This is an example of .....
51. The ability of an organism to blend in to the background
52. Autotrophs make up the ..... level in all ecosystems.
53. What is happening in a population as it decreases?
54. Which biome has the greatest diversity of living things?
55. Idon't want to be alone. Please don't ..... me.
56. The study of how things interact with each other and with their environment is called
57. Protists live inside termites and help digest the wood the termite eats
58. After a natural disaster such as a hurricane or tornado, what will happen in the damaged ecosystem?
59. Which of the following describes the location of the Tundra biome?
60. Which of the following causes harmful algal blooms that result in dead zones in the ocean?
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