Vertebrates/invertebrates

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What is a vertebrate?

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A vertebrate is an animal that has a backbone or spinal column. Examples include mammals, birds, reptiles, amphibians, and fish.

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What is an invertebrate?

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An invertebrate is an animal that does not have a backbone. Examples include insects, arachnids, mollusks, and jellyfish.

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What are mollusks?

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Mollusks are soft-bodied invertebrates that often have shells. Examples include snails, clams, and octopuses.

Tags

NGSS.MS-LS4-2

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What are arthropods?

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Arthropods are invertebrates with jointed legs and an exoskeleton. Examples include insects, spiders, and crustaceans.

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What is radial symmetry?

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Radial symmetry is a body plan in which body parts are arranged around a central axis, like a starfish.

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What is bilateral symmetry?

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Bilateral symmetry is a body plan in which the left and right sides of an organism are mirror images of each other, like in humans.

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What is asymmetry?

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Asymmetry is a lack of symmetry, where an organism does not have a balanced or proportional shape, like an amoeba.

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What is the phylum Porifera?

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Porifera is the phylum that includes sponges, which are simple aquatic animals that filter feed and have porous bodies.

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What is the phylum Cnidaria?

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Cnidaria is the phylum that includes jellyfish, corals, and sea anemones, characterized by stinging cells called cnidocytes.

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What is the phylum Echinodermata?

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Echinodermata is the phylum that includes starfish, sea urchins, and sea cucumbers, known for their radial symmetry and hard exoskeleton.