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HMH BLUE REVIEW UNIT 1 TEST 1
Answers should be reasonably close to: The matter and energy were
decomposed and returned to the environment.
Answers should include: matter is not created or destroyed, the
fruits did not disappear. Matter was recycled through the
environment and Matter may have changed forms in the
process.
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From top to bottom:
2,3,5,1,4
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Organisms use matter for growth,
repair and life processes. Organisms
use energy to break down matter
from food and fuel cellular processes
Answers will vary: producers get
nutrients from the environment VS
decomposers and consumers getting
energy from eating other organisms
Diagrams will vary. Should show
matter cycling throughout the
environment.
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The oceans cover a large surface area. Phytoplankton
are producers, which allow for a large portion of
photosynthetic activity on Earth to occur.
• Phytoplankton use photosynthesis to store
chemical energy made during photosynthesis.
• Consumers eat these producers
• Oxygen is a product of photosynthesis
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The beaver population increased because the wolves ate
the primary consumers that ate the trees. there are
more trees for the beavers, therefore there are more
beavers.
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1. Decrease in soil nutrients
2. Decrease in producers
3. Decrease in consumers
Matter is cycled in both living and
nonliving parts of the ecosystem.
Producers play an important role in
each cycle. Energy is needed to move
matter through every part of each
cycle.
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