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