Vertebrates & Invertebrates Test

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What are vertebrates?

Back

Vertebrates are animals that have a backbone or spinal column. Examples include mammals, birds, reptiles, amphibians, and fish.

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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 cnidarians.

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What is a mammal?

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Mammals are warm-blooded vertebrates that have hair or fur and usually give live birth. They also produce milk to feed their young.

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What is an amphibian?

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Amphibians are cold-blooded vertebrates that typically start life as aquatic larvae and undergo metamorphosis to become terrestrial adults. Examples include frogs and salamanders.

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What is a reptile?

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Reptiles are cold-blooded vertebrates that have scales and lay eggs. Examples include snakes, lizards, and turtles.

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What is a bird?

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Birds are warm-blooded vertebrates that have feathers, wings, and lay eggs. Examples include eagles, sparrows, and penguins.

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What is a fish?

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Fish are cold-blooded vertebrates that live in water, have gills for breathing, and usually have scales. Examples include salmon and goldfish.

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What is an echinoderm?

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Echinoderms are invertebrates that have a hard, spiny covering and a water vascular system. Examples include starfish and sea urchins.

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What is a cnidarian?

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Cnidarians are invertebrates that have stinging cells and a simple body structure. Examples include jellyfish and corals.

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What is a mollusk?

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Mollusks are invertebrates with soft bodies, many of which have shells. Examples include snails, clams, and octopuses.