Compare and contrast reptiles and mammals. Why were mammals able to occupy more diverse habitats than reptiles could?
What will be an ideal response?
Answer: Reptiles are cold-blooded and lay eggs to bear young whereas mammals are warm-blooded and bear live young that they tend by suckling. The warm-blooded mammals were able to survive in more diverse habitats than reptiles because they didn't have to rely on external sources to generate energy to move and function.
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A landslide is produced by the action of
A) gravity. B) running water. C) groundwater. D) glacial erosion.
Hard plastic bottles commonly used by hikers often contain the chemical
A) BPA, which is a hormone mimic and may pose a health hazard. B) phenolphthalein, which has been clearly shown not to have significant health effects. C) PERC, which may result in minor skin rashes and other allergic reactions. D) PCBs, which may interfere with thyroid gland function.
A food web is ________.
A. used only with herring life histories B. an inverse trophic pyramid C. a plan of interactive food chains and energy D. a diagram of an organism's life history E. a net for trapping marine organisms
What will likely happen to temperatures in Europe if thermohaline circulation in the Atlantic Ocean stops?
A. Temperatures will increase B. Temperatures will not change C. Temperatures will decrease