Compare and contrast the toothed whales and the baleen whales
?Toothed whales are active predators with a high brain-weight-to-body-weight ratio who can locate and even stun prey using echolocation. Baleen whales filter krill and other zooplankton from water near the surface. Both of these marine mammals are insulated by thick layers of blubber, breathe through nostrils on top of the head, and form complex social groupings.
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Indicate whether the statement is true or false
What was the independent variable in the above experiment?
A) The location of the fields B) The number of grasshoppers after 10 weeks C) The number of grasshoppers receiving the pesticide D) Whether pesticide Z was applied
In the southern hemisphere, anticyclonic winds flow:
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What is the thin zone of air, water, earth, and living matter that extends from the mountaintops to the bottom of the ocean?
A. atmosphere B. ozone C. ecosphere D. greenhouse