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Velocity is explained as the *speed and *direction something might move. Speed means moving and Direction means a certain way (not stationary.)
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Algae have a variety of adaptations that help them survive including body structures, defense mechanisms, as well as reproductive strategies. Some algae have hold fasts that attach to the sea floor and anchor them down much like roots of a plant. Many algae, such as Sargasso, have gas-filled structures called floats.
The epidermis, the top layer
The dermis, middle layer
The hypodermis, bottom layer
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Scientific names follow a specific set of rules. Scientists use a two-name system called a Binomial Naming System. Scientists name animals and plants using the system that describes the genus and species of the organism. The first word is the genus and the second is the species.planation: