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