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