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The prevailing weather conditions in a particular region.

The prevailing weather conditions in a particular region.

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This group mostly lives on land as adults, but requires an a…

This group mostly lives on land as adults, but requires an aquatic environment to reproduce.

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The northern elephant seal was hunted almost to extinction d…

The northern elephant seal was hunted almost to extinction during the 18th and 19th centuries. Less than 100 seals were left to contribute to the gene pool of their future generations. Since the early 20th century, the elephant seals have been protected by law in both the U.S. and Mexico. Over 100,000 seals now inhabit the western shores of North America, all related to the small population that survived the slaughter of hunters.Scientists fear the elephant seals may be more susceptible to disease and pollution due to

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A(n) _ consists of all the populations of multiple species i…

A(n) _ consists of all the populations of multiple species interacting in a particular area.

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Answer the following questions about the pH scale.An increas…

Answer the following questions about the pH scale.An increase in pH from pH 8 to pH 9 represents what increase or decrease in hydrogen ion concentration?

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These organisms are an association between a fungus and a cy…

These organisms are an association between a fungus and a cyanobacterium or green algae.

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Which of the following features is not one of the key featur…

Which of the following features is not one of the key features that led to the success of the arthropods?

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Ancestral lobe-finned fishes gave rise to modern-day lobe-fi…

Ancestral lobe-finned fishes gave rise to modern-day lobe-finned fishes, the lungfishes, and to the amphibians.

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Which statement is NOT true about echinoderms?

Which statement is NOT true about echinoderms?

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Mammals appeared and diversified in the Precambrian era.

Mammals appeared and diversified in the Precambrian era.

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