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Test your basic knowledge |
Common Core Ecosystem
Start Test
Study First
Subjects
:
common-core
,
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A group of organisms of the same species populating a given area
mutualism
evaporation
humidity
population
2. The continuous movement of water between Earth's surface and the air - changing from liquid to gas to liquid
water cycle
abiotic
rain forest
symbiotic
3. Dense forest that receives high amounts of rain each year
commensalism
food chain
deciduous forest
rain forest
4. (ecology) a community of organisms where there are several interrelated food chains
food web
symbiotic
humidity
scavenger
5. The process by which water changes from liquid form to an atmospheric gas
nekton
evaporation
prey
habitat
6. The cycle in which nitrogen gas is changed into forms of nitrogen that plants can use
nitrogen cycle
symbiotic
communicate
climate
7. A relationship between two organisms in which one organism benefits and the other is unaffected
parasitism
omnivore
niche
commensalism
8. Tiny - free-floating organisms that occur in aquatic environments
plankton
predators
climate
communicate
9. Free-swimming animals that can move throughout the water column
humidity
nekton
evaporation
desert
10. Ecosystems of several types in which vegetation is surrounded by standing water during part or most of the year
tundra
predator
wetlands
habitat
11. The type of environment in which an organism or group normally lives or occurs
omnivore
infer
rain forest
habitat
12. Animal hunted or caught for food
biotic
prey
benthos
commensalism
13. An animal that feeds on both animal and vegetable substances
omnivore
abiotic
symbiotic
nitrogen cycle
14. Any animal that feeds chiefly on grass and other plants
deciduous forest
herbivore
communicate
plankton
15. Animals that hunt and eat other animals
predators
scavenger
tundra
photosynthesis
16. The status of an organism within its environment and community (affecting its survival as a species)
rain forest
parasitism
ecology
niche
17. Any animal that feeds on flesh
ecology
plankton
carnivore
condensation
18. Series of steps in an ecosystem in which organisms transfer energy by eating and being eaten
ecosystem
communicate
nekton
food chain
19. Any animal that feeds on flesh
carnivore
wetlands
predator
prey
20. The land area that supplies water to a river system
tundra
evaporation
food web
watershed
21. A nonrenewable energy resource formed from the remains of organisms that lived long ago; examples include oil - coal - and natural gas
run-off
fossil fuel
watershed
abiotic
22. Water that flows over the ground surface rather than soaking into the ground
desert
run-off
parasitism
desert
23. Organisms that live attached to or near the ocean floor
benthos
photosynthesis
community
infer
24. The movement of carbon from the nonliving environment into living things and back
carbon cycle
omnivore
evaporation
deciduous forest
25. The process of changing from a gaseous to a liquid or solid state
nitrogen cycle
condensation
communicate
predators
26. Tiny - free-floating organisms that occur in aquatic environments
ecosystem
abiotic
climate
plankton
27. Any nonliving component of an environment
watershed
desert
abiotic
carbon cycle
28. Animal hunted or caught for food
prey
rain forest
ecology
condensation
29. Living and nonliving things in an environment - together with their interactions
ecosystem
mutualism
abiotic
humidity
30. A close relationship of mutual dependence
abiotic
symbiotic
nekton
biotic
31. A group of interdependent organisms inhabiting the same region and interacting with each other
deciduous forest
parasitism
symbiotic
community
32. An animal that feeds on both animal and vegetable substances
predators
omnivore
parasitism
mutualism
33. A group of organisms of the same species populating a given area
nitrogen cycle
nekton
fossil fuel
population
34. A group of interdependent organisms inhabiting the same region and interacting with each other
run-off
water cycle
tundra
community
35. Process by which plants use the sun's energy to convert water and carbon dioxide into sugars
ecosystem
photosynthesis
humidity
desert
36. Ecosystems of several types in which vegetation is surrounded by standing water during part or most of the year
population
wetlands
prey
desert
37. One organism lives on or inside another organism and harms it
community
scavenger
parasitism
symbiotic
38. Any animal that lives by preying on other animals
habitat
plankton
herbivore
predator
39. Animal hunted or caught for food
prey
symbiotic
community
omnivore
40. Conclude by reasoning
evaporation
rain forest
infer
parasitism
41. The falling to earth of any form of water (rain or snow or hail or sleet or mist)
photosynthesis
run-off
ecology
precipitation
42. The continuous movement of water between Earth's surface and the air - changing from liquid to gas to liquid
communicate
water cycle
predators
wetlands
43. Any animal that feeds on refuse and other decaying organic matter
scavenger
commensalism
carbon cycle
nekton
44. An arid region with little or no vegetation
niche
prey
desert
wetlands
45. The movement of carbon from the nonliving environment into living things and back
carbon cycle
condensation
prey
watershed
46. A close relationship of mutual dependence
rain forest
ecosystem
symbiotic
parasitism
47. The living organisms in an ecosystem
predator
biotic
precipitation
herbivore
48. Conclude by reasoning
niche
infer
abiotic
nitrogen cycle
49. The falling to earth of any form of water (rain or snow or hail or sleet or mist)
predator
scavenger
precipitation
intertidal zone
50. Series of steps in an ecosystem in which organisms transfer energy by eating and being eaten
food chain
predator
fossil fuel
habitat