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Within a population, if the average is selected for and the two opposing extremes are selected against, this is an example of
Myriapods
A group of arthropods that includes centipedes and millipedes, characterized by having numerous legs.
Deuterostomes
A classification of animals characterized by the development of the anus from the first opening in the embryo, with the mouth forming later.
Echinoderms
A phylum of marine animals known for their radial symmetry and include starfish, sea urchins, and sea cucumbers.
Water-Vascular System
A unique hydraulic system used by echinoderms (such as starfish and sea urchins) for locomotion, feeding, and gas exchange.
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Q148: The lymphocyte is a granulocyte.
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