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Maintaining Biodiversity
Test Description: MS-LS2-5 Maintaining Biodiversity
Instructions: Answer all questions to get your test result.
1) _____ are models that illustrate the energy flow between organisms in an ecosystem.
A
Interactions
B
Environments
C
Food webs
D
Ecosystems
2) Maintaining ________ is important to keep an ecosystem healthy.
A
sunlight
B
pollutants
C
interactions
D
biodiversity
3) ______ are organisms that can be used as warning signals for changes in an ecosystem.
A
Sea stars
B
Plants
C
Animals
D
Bioindicators
4) _____are scientists who study human impacts on ecosystems.
A
Botanists
B
Conservation biologists
C
Chemists
D
Virologists
5) Something that worsens the quality of air, water, or soil is called a ______.
A
ecosystem
B
biodiversity
C
pollutant
D
population
6) ________ species are important to ecosystems and many ecosystems would collapse without them.
A
Wild
B
Living
C
Extinct
D
Keystone
7) What term describes a community of interacting organisms and their environment?
A
Resource
B
Population
C
Ecosystem
D
Native
8) _______ are protected lands in the United States that preserve ecosystem and biodiversity.
A
Farms
B
Great Lakes
C
National parks
D
Oceans
9) Organism that feeds on plants or other animals for energy.
A
Producer
B
Primary Consumer
C
Consumer
D
Decomposer
10) ________ are a keystone species found in tide pools.
A
Sea stars
B
Plants
C
Wolves
D
Animals
11) What is an adaptation that would help an organism to survive in a tropical rain forest?
A
Thick fur to conserve heat
B
Scales to prevent water loss
C
Sharp claws to aid in climbing
D
Golden-tan fur to blend in
12) Which are the Biotic factors?
A
Living factors of the environment e.g. food
B
Non-Living factors of the environment e.g. temperature
13) An organism that can help determine if an environment is healthy or not.
A
conservation biologist
B
bioindicator
C
keystone
14) The breaking down or decaying of an organism is _________.
A
decomposing
B
survival
C
pollution
15) What makes a species invasive?
A
Plants that take up too much space
B
Species that can't adapt
C
Moving to a new ecosystem and taking resources from natives
D
Not having papers
16) Which one is a Ecosystem?
A
The populations of different species living in a habitat
B
All the organisms of one species living in a habitat
C
The interaction of a community of living organisms with the non-living parts of the environment
D
The place where an organism lives
17) Which are the Abiotic factors?
A
Living factors of the environment e.g. food
B
Non-Living factors of the environment e.g. temperature
18) What do Food Chains start with?
A
Producers
B
Sun/Light Energy
C
Decomposers
D
Primary Consumer
19) Biodiversity is having a huge variety of species in an ecosystem.
A
true
B
false
*select an answer for all questions
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