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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. Transmit information
scavenger
ecosystem
communicate
evaporation
2. A close relationship of mutual dependence
nitrogen cycle
wetlands
symbiotic
plankton
3. The land area that supplies water to a river system
food web
predator
wetlands
watershed
4. The process by which water changes from liquid form to an atmospheric gas
water cycle
wetlands
community
evaporation
5. (ecology) a community of organisms where there are several interrelated food chains
food web
ecology
biotic
abiotic
6. A relationship between two organisms in which one organism benefits and the other is unaffected
nitrogen cycle
plankton
commensalism
climate
7. A relationship between two organisms in which one organism benefits and the other is unaffected
nitrogen cycle
communicate
commensalism
humidity
8. Free-swimming animals that can move throughout the water column
ecology
benthos
scavenger
nekton
9. The status of an organism within its environment and community (affecting its survival as a species)
run-off
symbiotic
niche
abiotic
10. A biome with four seasons - plants shed leaves in the fall and grow new ones in the spring.
food chain
photosynthesis
deciduous forest
photosynthesis
11. Animals that hunt and eat other animals
water cycle
plankton
predators
intertidal zone
12. Any animal that feeds chiefly on grass and other plants
watershed
run-off
herbivore
omnivore
13. The living organisms in an ecosystem
prey
biotic
photosynthesis
food web
14. A vast - level - treeless plain in the arctic regions. The ground beneath the surface of the tundras is frozen even in summer
infer
food web
tundra
omnivore
15. Living and nonliving things in an environment - together with their interactions
herbivore
carnivore
ecosystem
fossil fuel
16. Series of steps in an ecosystem in which organisms transfer energy by eating and being eaten
food chain
run-off
plankton
prey
17. The process of changing from a gaseous to a liquid or solid state
condensation
food web
climate
scavenger
18. The continuous movement of water between Earth's surface and the air - changing from liquid to gas to liquid
run-off
abiotic
prey
water cycle
19. The status of an organism within its environment and community (affecting its survival as a species)
run-off
mutualism
niche
prey
20. A group of organisms of the same species populating a given area
communicate
carnivore
population
intertidal zone
21. Dense forest that receives high amounts of rain each year
communicate
predators
biotic
rain forest
22. Any animal that lives by preying on other animals
tundra
predator
rain forest
infer
23. The process by which water changes from liquid form to an atmospheric gas
parasitism
population
prey
evaporation
24. The type of environment in which an organism or group normally lives or occurs
carbon cycle
biotic
habitat
prey
25. A group of interdependent organisms inhabiting the same region and interacting with each other
herbivore
habitat
community
benthos
26. Process by which plants use the sun's energy to convert water and carbon dioxide into sugars
deciduous forest
benthos
carbon cycle
photosynthesis
27. The land area that supplies water to a river system
tundra
predators
watershed
fossil fuel
28. The living organisms in an ecosystem
climate
run-off
biotic
food chain
29. A biome with four seasons - plants shed leaves in the fall and grow new ones in the spring.
herbivore
deciduous forest
carnivore
rain forest
30. Animals that hunt and eat other animals
niche
nekton
food web
predators
31. Organisms that live attached to or near the ocean floor
fossil fuel
benthos
fossil fuel
parasitism
32. 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
food chain
climate
33. The movement of carbon from the nonliving environment into living things and back
run-off
evaporation
carbon cycle
watershed
34. Conclude by reasoning
desert
infer
intertidal zone
symbiotic
35. Tiny - free-floating organisms that occur in aquatic environments
run-off
evaporation
plankton
food chain
36. The cycle in which nitrogen gas is changed into forms of nitrogen that plants can use
nitrogen cycle
mutualism
communicate
evaporation
37. An animal that feeds on both animal and vegetable substances
omnivore
desert
population
nitrogen cycle
38. The process by which water changes from liquid form to an atmospheric gas
climate
evaporation
prey
symbiotic
39. A nonrenewable energy resource formed from the remains of organisms that lived long ago; examples include oil - coal - and natural gas
fossil fuel
food web
population
nitrogen cycle
40. Any nonliving component of an environment
abiotic
prey
food chain
community
41. Symbiotic relationship in which both species benefit from the relationship
plankton
evaporation
prey
mutualism
42. (ecology) a community of organisms where there are several interrelated food chains
watershed
water cycle
population
food web
43. Any animal that feeds on flesh
omnivore
carbon cycle
carnivore
predator
44. Animal hunted or caught for food
abiotic
climate
prey
benthos
45. The process by which water changes from liquid form to an atmospheric gas
evaporation
run-off
tundra
mutualism
46. The continuous movement of water between Earth's surface and the air - changing from liquid to gas to liquid
ecology
photosynthesis
water cycle
intertidal zone
47. The type of environment in which an organism or group normally lives or occurs
photosynthesis
scavenger
predators
habitat
48. The cycle in which nitrogen gas is changed into forms of nitrogen that plants can use
nitrogen cycle
herbivore
commensalism
photosynthesis
49. The falling to earth of any form of water (rain or snow or hail or sleet or mist)
nekton
desert
precipitation
food chain
50. A close relationship of mutual dependence
evaporation
humidity
photosynthesis
symbiotic