Barnacles such as Balanus are most common in the ____ zone of the rocky intertidal

a. upper midlittoral
b. middle midlittoral
c. lower midlittoral
d. subtidal
e. splash


A

Biology & Microbiology

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A terrestrial animal species is discovered with the following larval characteristics: exoskeleton, system of tubes for gas exchange, and modified segmentation. A knowledgeable zoologist should predict that the adults of this species would also feature ___

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Which event and date is mismatched?

A. origin of eukaryotic cells-2.2 billion years ago B. origin of life-4.8 billion years ago C. origin of multicellular organisms-650 million years ago D. All the choices are incorrect.

Biology & Microbiology

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a. true b. false

Biology & Microbiology