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