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Ecology
Test Description: 7th grade ecology review
Instructions: Answer all questions to get your test result.
1) Which of these is an herbivore?
A
cattail
B
turtle
C
snail
D
bird
2) Which of the following is a carnivore?
A
crane
B
grass
C
tadpole
D
worm
3) Which of these is NOT an abiotic factor?
A
light
B
water
C
insects
D
soil
4) All the living things in an ecosystem are called...
A
biotic factors.
B
abiotic factors.
C
decomposers.
D
scavengers
5) The most important factors used to distinguish different biomes on earth are temperature and...
A
wind.
B
latitude.
C
precipitation.
D
altitude.
6) Which of the following biomes is characterized by dry soil and little precipitation?
A
tundra
B
desert
C
rainforest
D
grassland
7) An animal species that has changed over the years to become better suited to its habitat indicates...
A
that there are no longer any plants in the biome.
B
that all the animals are bigger.
C
changes in hibernation and migration.
D
evolutionary adaptation.
8) The grass in a certain habitat is dying because of a drought. What prediction can you make about the grasshopper population in the area?
A
It will increase.
B
There is no telling what will happen.
C
It will decrease.
D
It will stay the same.
9) If the plants in an environment die off, which of the following will NOT be affected?
A
scavengers
B
predators
C
temperature
D
omnivores
10) Which food chain properly illustrates the relationship between producers, consumers, and decomposers?
A
lettuce - sunlight - bacteria - rabbit - fox
B
bacteria - fox - rabbit - sunlight - lettuce
C
fox - rabbit - lettuce - bacteria - sunlight
D
sunlight - lettuce - rabbit - fox - bacteria
*select an answer for all questions
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