Invertebrates and Vertebrates

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What are invertebrates?

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Invertebrates are animals that do not have a backbone. Examples include insects, arachnids, mollusks, and crustaceans.

Tags

NGSS.MS-LS4-2

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What are vertebrates?

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Vertebrates are animals that have a backbone. This group includes mammals, birds, reptiles, amphibians, and fish.

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What is a major characteristic of amphibians?

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Amphibians are characterized by their ability to live both in water and on land. They typically undergo metamorphosis from a larval stage to an adult stage.

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What is a bivalve?

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Bivalves are a class of mollusks that have two shells (valves) hinged together. Examples include clams, oysters, and mussels.

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What is a cephalopod?

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Cephalopods are a class of mollusks known for their intelligence and ability to change color. Examples include octopuses, squids, and cuttlefish.

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What is a monotreme?

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Monotremes are a group of egg-laying mammals, such as the platypus and echidna.

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What is a marsupial?

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Marsupials are mammals that carry and nurse their young in pouches. Examples include kangaroos and koalas.

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What is the difference between ectothermic and endothermic animals?

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Ectothermic animals rely on external sources to regulate their body temperature, while endothermic animals can regulate their body temperature internally.

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What is a characteristic of reptiles?

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Reptiles are characterized by their scaly skin and typically lay eggs on land. Examples include snakes, lizards, and turtles.

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What is a characteristic of fish?

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Fish are aquatic vertebrates that have gills for breathing underwater and fins for swimming.