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Interaction Of Living Things & Ecosystems
Test Description: S7L4: Examine the dependence of organisms on one another and their environments.
Instructions: Answer all questions to get your test result.
1) Grass that gains energy from the sun is an example of a
A
parasite.
B
decomposer.
C
producer
D
consumer.
2) A diagram with arrows showing energy flow from grass, to a rabbit, to a fox is
A
an energy pyramid.
B
a food web.
C
a population chart.
D
a food chain.
3) After one species disappears, the other species in the ecosystem
A
benefit.
B
are affected they are thrown out of balance.
C
are unaffected.
D
die.
4) In which type of symbiosis do organisms help each other?
A
commensalism
B
parasitism
C
mutualism
D
community
5) an animal that eats many foods, including fish and berries
A
herbivore
B
decomposer
C
omnivore
D
carnivore
6) In a food web, arrows point in just one direction because they show
A
which animal is bigger.
B
which animals are related.
C
how energy goes to the animal that is eaten.
D
how energy goes to the animal that is eating.
7) A food web is...
A
the same thing as a food chain
B
only made up of insects and their prey
C
a simplified food chain, with only one producer and one consumer.
D
contains overlapping food chains of an ecosystem, linked together
8) Rocks, temperature, and water are what part of the environment?
A
population
B
abiotic
C
biotic
D
community
9) In an energy pyramid, which level has the most available energy?
A
first-level consumer
B
producer level
C
second-level consumer
D
third-level consumer
10) A colony of bees was observered feeding on nectar while pollinating plants. What type of ecological relationship exits between the bees and the plant?
A
commensalism
B
predator/prey
C
parasitism
D
mutualism
*select an answer for all questions
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