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Radial, indeterminate cleavage exhibited by early embryo. Coelom forms by enterocoely ... Superficial radial body form (which is secondarily derived from ...
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Colonial - Volvox. Chlorophyta. Spirogyra - a common. freshwater green alga. Spirogyra conjugating. Chlamydomonas Life Cycle. Volvox. Ulva Life Cycle ...
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Gut, when present, is a blind diverticulum ... hosts (often a mollusk) that serve as maturation sites for a variety of larval stages ...
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Aristotle - recognized increasing structural complexity ... Ladybird beetle example. 20% of population with unique characteristic. Small population (N=5) ...
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Gram positive, flagellated rod. Produce endospores to survive harsh environmental periods ... Gram-negative, rod-shaped and flagellated ... Some Hot Springs Microbes ...
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Make some plants unpalatable, or at ... Acorn woodpeckers. Daughters help with the raising of younger sibs in the nest ... Acorn woodpecker. Altruism. Sentry ...
