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Describe why primitive animals are primarily marine
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- Explain the characteristics that collectively distinguish animals from other kinds of organisms.Animals that have true tissues, bilateral symmetry, segmented bodies, and are protostomes are known as: Arthropods Cnidarians Sponges ChordatesAn organism has a streamlined body, fins, and scales. To which vertebrate group does it belong? O amphibian reptile fish O mammal
- Give examples of each of the following animal phyla: mollusks annelids arthropods chordatesDescribe the ecosystem and its importance to the animal kingdom. Howecosystem affects the role of an organism in the zoological community.Why did invertebrates evolve structures for protection? present scientific explanation please do not just copy from google