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Let’s review for the final!
No points, just review.
1. Which of these is NOT true
about energy in the ecosystem?
1. Energy cannot be
25%
25%
25%
2
3
25%
recycled.
2. Energy is captured
by autotrophs.
3. Energy transfer is
effcient.
4. The primary source
of energy is the
sun.
1
4
2. Major climate change in Earth’s
history has been tied to:
1. Pandemics.
2. Periods of
25%
25%
25%
25%
evolutionary stasis.
3. Mass extinctions.
4. Genetic
bottlenecks.
1
2
3
4
3. “The effects of water pH on snail
shell thinness” – the dependent
variable is:
25%
25%
25%
25%
1. Shell thinness.
2. pH.
3. Snails.
4. Water.
1
2
3
4
4. Which of the following makes a
species MOST vulnerable to
extinction?
1. Being highly
25%
25%
25%
25%
specialized.
2. High genetic
variation.
3. Large territory.
4. High biotic
potential.
1
2
3
4
5. Which of these is NOT a leading
cause of extinctions?
1. Habitat
2.
3.
4.
5.
20%
20%
20%
2
3
20%
20%
destruction.
Over-exploitation.
Genetic
engineering.
Environmental
degradation.
Climate change.
1
4
5