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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. Dense forest that receives high amounts of rain each year
rain forest
carbon cycle
deciduous forest
intertidal zone
2. A nonrenewable energy resource formed from the remains of organisms that lived long ago; examples include oil - coal - and natural gas
wetlands
commensalism
fossil fuel
communicate
3. Animal hunted or caught for food
nitrogen cycle
prey
run-off
predator
4. Animal hunted or caught for food
herbivore
nitrogen cycle
benthos
prey
5. (ecology) a community of organisms where there are several interrelated food chains
prey
food web
run-off
condensation
6. Any animal that feeds on refuse and other decaying organic matter
scavenger
fossil fuel
food chain
infer
7. A vast - level - treeless plain in the arctic regions. The ground beneath the surface of the tundras is frozen even in summer
intertidal zone
water cycle
prey
tundra
8. The cycle in which nitrogen gas is changed into forms of nitrogen that plants can use
nitrogen cycle
abiotic
population
photosynthesis
9. The movement of carbon from the nonliving environment into living things and back
run-off
ecosystem
prey
carbon cycle
10. Process by which plants use the sun's energy to convert water and carbon dioxide into sugars
photosynthesis
deciduous forest
nekton
condensation
11. Any animal that lives by preying on other animals
ecology
mutualism
intertidal zone
predator
12. One organism lives on or inside another organism and harms it
biotic
communicate
parasitism
nitrogen cycle
13. Organisms that live attached to or near the ocean floor
predators
predator
benthos
water cycle
14. Any animal that feeds on refuse and other decaying organic matter
precipitation
scavenger
desert
nitrogen cycle
15. A close relationship of mutual dependence
omnivore
nitrogen cycle
plankton
symbiotic
16. Tiny - free-floating organisms that occur in aquatic environments
climate
omnivore
plankton
fossil fuel
17. A biome with four seasons - plants shed leaves in the fall and grow new ones in the spring.
ecology
biotic
carbon cycle
deciduous forest
18. (ecology) a community of organisms where there are several interrelated food chains
herbivore
habitat
herbivore
food web
19. Living and nonliving things in an environment - together with their interactions
ecosystem
tundra
herbivore
condensation
20. The land area that supplies water to a river system
predator
evaporation
watershed
community
21. Area of shore between the high-tide and low-tide lines
intertidal zone
watershed
habitat
commensalism
22. Overall weather in an area over a long period of time
scavenger
food web
climate
parasitism
23. The falling to earth of any form of water (rain or snow or hail or sleet or mist)
plankton
prey
predators
precipitation
24. Dense forest that receives high amounts of rain each year
rain forest
carbon cycle
biotic
symbiotic
25. A relationship between two organisms in which one organism benefits and the other is unaffected
prey
population
nitrogen cycle
commensalism
26. The process of changing from a gaseous to a liquid or solid state
intertidal zone
condensation
population
food web
27. Series of steps in an ecosystem in which organisms transfer energy by eating and being eaten
food chain
abiotic
community
plankton
28. Any animal that feeds chiefly on grass and other plants
herbivore
carbon cycle
desert
biotic
29. A group of organisms of the same species populating a given area
population
wetlands
food chain
carbon cycle
30. The type of environment in which an organism or group normally lives or occurs
ecology
habitat
predator
scavenger
31. The continuous movement of water between Earth's surface and the air - changing from liquid to gas to liquid
parasitism
water cycle
evaporation
prey
32. A relationship between two organisms in which one organism benefits and the other is unaffected
prey
symbiotic
commensalism
condensation
33. Animals that hunt and eat other animals
predator
communicate
ecosystem
predators
34. Animal hunted or caught for food
abiotic
predator
plankton
prey
35. The process by which water changes from liquid form to an atmospheric gas
plankton
evaporation
predator
commensalism
36. Any animal that lives by preying on other animals
deciduous forest
herbivore
predator
nekton
37. Free-swimming animals that can move throughout the water column
nekton
run-off
benthos
fossil fuel
38. An arid region with little or no vegetation
water cycle
desert
wetlands
carbon cycle
39. Free-swimming animals that can move throughout the water column
nekton
watershed
prey
food web
40. A group of interdependent organisms inhabiting the same region and interacting with each other
commensalism
commensalism
mutualism
community
41. Animal hunted or caught for food
evaporation
condensation
parasitism
prey
42. The living organisms in an ecosystem
desert
tundra
humidity
biotic
43. Any nonliving component of an environment
climate
food web
benthos
abiotic
44. The process by which water changes from liquid form to an atmospheric gas
community
evaporation
food web
humidity
45. The amount of moisture in the air
humidity
watershed
deciduous forest
precipitation
46. The type of environment in which an organism or group normally lives or occurs
run-off
habitat
symbiotic
climate
47. The falling to earth of any form of water (rain or snow or hail or sleet or mist)
precipitation
run-off
community
tundra
48. Any animal that feeds on flesh
infer
niche
predators
carnivore
49. Organisms that live attached to or near the ocean floor
humidity
evaporation
benthos
ecology
50. The amount of moisture in the air
mutualism
symbiotic
humidity
run-off
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