Sedimentation accumulation found in bodies of water can be the result of _______.a.fertilizer runoffb.pesticides and herbicidesc.erosion from agricultural practicesd.all of the above
The inversion of terrestrial and aquatic energy pyramids is dependent upon the nature of that environment’s particular _______.a.decomposersb.climatec.primary consumersd.producers
Consider the following food chain:Garden plants are eaten by snails, which are eaten by birds, which are eaten by the household cat.
Which of the following best explains why deforestation increases the risk of floods in an area?a.Tree leaves catch and retain rain water.b.Trees block the free flow of water.c.Deforestation increases precipitation.d.Tree roots improve soil water retention.
Hurricanes are more destructive than tornados due to _______.a.coastal storm surgesb.their shorter durationc.the combination of high winds and flood watersd.all of the above
If a stationary body of water has a constant temperature from top to bottom it is most likely a(n) _______.a.lakeb.pondc.oceand.lagoon
Which of the following typical adaptations of marine animals is not found in sea otters?a.streamlined bodyb.webbed hands and feetc.body covered in thick furd.breathing apparatus on the top of the head
The marine biome is the largest of all the ecosystems.
Which of the following is not an example of interactions between biotic and abiotic factors in an ecosystem?a.flowers opening at dawn and closing at nightb.bears hibernating in winterc.male elk fighting over a femaled.Monarch butterflies migrating to Mexico for the winter
It is advantageous for a predator to prey exclusively on a single prey species.
Variation of ecological habitats within a species is characteristic of which type of diversity?a.Genetic diversityb.Ecosystem diversityc.Species diversityd.Regional diversity
Changes to _______ can be ascribed to glacial melting.a.Earth’s surfaceb.CO2 levelsc.coral reefsd.water pollution
How can an increase in biodiversity lead to an increase in ecosystem stability?a.A more biodiverse ecosystem is not subject to change.b.A more biodiverse ecosystem has a higher chance of adapting to species changes.c.A more biodiverse ecosystem has fewer species types to balance.d.A more biodiverse ecosystem is subject to fewer natural disasters.
Why are catfish and carp found at the mouth of a river, while trout are found nearer the source?
Explain how the disposal of human waste could worsen the effects of hurricanes on coastal communities.
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