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