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Q. Echinoderm identity card. How are echinoderms characterized according to examples of representing beings, basic morphology, type of symmetry, germ layers and coelom, respiratory system, digestive system, excretory system, circulatory system, nervous system and types of reproduction?
Examples of representing beings: sea cucumber, sea urchin, starfishes. Basic morphology: calcareous endoskeleton with spines, ambulacral system. Type of symmetry: secondary radial, Germ layers and coelom: triploblastics, coelomates. Digestive system: complete, deuterostomes. Respiratory system: nonexistent. Circulatory system: nonexistent. Excretory system: nonexistent. Nervous system: simple, nerve network without cephalization or ganglia. Types of reproduction: sexual, with larval stage.
Of the cell types observed (Paramecium, Euglena, Yeast, Elodea, cheek cells), would any cell "verify" the cell theory? Explain your answer.
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how do i prove in a diagram that water is needed for photosynthesis
Q. What are some strategies of the anti-retroviral drugs used in the AIDS treatment? The Anti-retroviral drugs used in AIDS treatment try to approach any of the several steps o
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