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