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