Which of the following is true about secondary consumers in an ecosystem?
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They are fewer in number than are primary consumers.
r strategists tend to have:
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little parental care
What causes a sigmoidal growth curve (S-shaped curve) to level off?
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The population reaches the environmental carrying capacity
Trophic efficiency is
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the percentage of production transferred from one trophic level to the
next
What is the fundamental difference between energy and matter in an ecosystem?
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Matter is cycled through ecosystem; energy is not
What does not contribute to a species' life history?
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How likely each offspring is to die by predation
The benthic zone of aquatic environments is defined as the _____.
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, substrate at bottom of a body of water
In the logistic equation dN/dt = rN, r is a measure of the population's intrinsic rate of
increase. It is determined by:
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birth rate and death rate
Who has the highest production efficiency?
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insects
Monarch butterflies are protected from birds and other predators but the cardiac
glycosides they incorporate into their tissues from eating milkweed when they were in
their caterpillar stage of development. The wings of a different species of butterfly,
the Viceroy, look nearly identical to the Monarch so predators that have learned not
to eat the bad-tasting Monarch avoid Viceroys as well. This example best describes
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Batesian mimicry
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They are fewer in number than are primary consumers.
r strategists tend to have:
Give this one a try later!
little parental care
What causes a sigmoidal growth curve (S-shaped curve) to level off?
,Give this one a try later!
The population reaches the environmental carrying capacity
Trophic efficiency is
Give this one a try later!
the percentage of production transferred from one trophic level to the
next
What is the fundamental difference between energy and matter in an ecosystem?
Give this one a try later!
Matter is cycled through ecosystem; energy is not
What does not contribute to a species' life history?
Give this one a try later!
How likely each offspring is to die by predation
The benthic zone of aquatic environments is defined as the _____.
Give this one a try later!
, substrate at bottom of a body of water
In the logistic equation dN/dt = rN, r is a measure of the population's intrinsic rate of
increase. It is determined by:
Give this one a try later!
birth rate and death rate
Who has the highest production efficiency?
Give this one a try later!
insects
Monarch butterflies are protected from birds and other predators but the cardiac
glycosides they incorporate into their tissues from eating milkweed when they were in
their caterpillar stage of development. The wings of a different species of butterfly,
the Viceroy, look nearly identical to the Monarch so predators that have learned not
to eat the bad-tasting Monarch avoid Viceroys as well. This example best describes
Give this one a try later!
Batesian mimicry
