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Chapter 2 Review
Test Description: FCAT type questions
Instructions: Answer all questions to get your test result.
1) Ecology is the study of interactions between_____
A
the plants and animals in an area
B
the animal groups in an area
C
the nonliving things in an area
D
living and nonliving things in an area
2) The portion of Earth that supports that existence of living thngs is the ____
A
habitat
B
ecosystem
C
niche
D
biosphere
3) Which is a biotic factor that might affect the life of a water-dwelling organism?
A
temperature of the water
B
bacterial pollution in water
C
pollutants in water
D
speed of water current
4) Which process in the water cycle returns water to Earth's surface?
A
transpiration
B
evaporation
C
runoff
D
precipitation
5) During the carbon cycle, in what form are carbon atoms generally returned to the atmosphere?
A
simple sugars
B
carbon dioxide
C
carbon monoxide
D
methane
6) Which is not a pathway by which plants obtain nitrogen in usable form?
A
chemical fertilizers
B
symbiotic bacteria
C
lightning
D
photosynthesis
7) In which type of ecological relationship do two organisms benefit from living together?
A
commensalism
B
competition
C
mutualism
D
parasitism
8) In the nitrogen cycle, nitrogen is continuously recycled. Which types of organisms break down nitrogen compounds in dead organisms and recycle them into the soil?
A
herbivores
B
green plants
C
autotrophs
D
bacteria
9) Eating a sweet potato can provide energy for human metabolic processes. What is the original source of this energy?
A
starch molecules absorbed by the potato
B
light energy transformed by photosynthesis
C
vitamins and minerals from the soil
D
protein molecules stored in the potato
10) What is released at each level of a pyramid of energy?
A
plants
B
decomposers
C
animals
D
heat
*select an answer for all questions
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