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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
snail
B
bird
C
cattail
D
turtle
2) Which of the following is a carnivore?
A
crane
B
tadpole
C
grass
D
worm
3) Which of these is NOT an abiotic factor?
A
light
B
insects
C
water
D
soil
4) All the living things in an ecosystem are called...
A
decomposers.
B
scavengers
C
abiotic factors.
D
biotic factors.
5) The most important factors used to distinguish different biomes on earth are temperature and...
A
altitude.
B
precipitation.
C
latitude.
D
wind.
6) Which of the following biomes is characterized by dry soil and little precipitation?
A
grassland
B
rainforest
C
desert
D
tundra
7) An animal species that has changed over the years to become better suited to its habitat indicates...
A
changes in hibernation and migration.
B
evolutionary adaptation.
C
that all the animals are bigger.
D
that there are no longer any plants in the biome.
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 decrease.
B
It will increase.
C
There is no telling what will happen.
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
temperature
C
omnivores
D
predators
10) Which food chain properly illustrates the relationship between producers, consumers, and decomposers?
A
sunlight - lettuce - rabbit - fox - bacteria
B
bacteria - fox - rabbit - sunlight - lettuce
C
lettuce - sunlight - bacteria - rabbit - fox
D
fox - rabbit - lettuce - bacteria - sunlight
*select an answer for all questions
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