Geologic Time — Test Answers
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Which represents the amount of potential food available at each trophic level?
A
food chainB
food webC
energy pyramidD
biomass pyramid23
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The table below shows the saturated thickness (water level) in five-year intervals.Water Levels in the Ogallala AquiferIf water continues to be used at the current rate, what will the saturated thickness be in 2020?
A
8–10 metersB
10–12 metersC
14–16 metersD
18–20 meters24
Study this image of a geologic time scale.
A
1.6 million years agoB
132 million years agoC
410 million years agoD
520 million years ago25
A scientist is investigating how the amount of available water affects plant growth in a rainforest. Although all of Earth's spheres are interconnected, which of Earth’s spheres does the scientist’s investigation focus on?
A
the geosphere and the hydrosphereB
the hydrosphere and the biosphereC
the biosphere and the geosphereD
the geosphere and the atmosphereDid you find these answers helpful?
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