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