Vertebrates and Invertebrates

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What are vertebrates?

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

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What are invertebrates?

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Invertebrates are animals that do not have a backbone. Examples include insects, spiders, and jellyfish.

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What does 'cold-blooded' mean?

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Cold-blooded animals are those whose body temperature changes with the temperature of their environment. Examples include reptiles and amphibians.

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What does 'warm-blooded' mean?

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Warm-blooded animals can maintain a constant body temperature regardless of the environment. Examples include mammals and birds.

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What are mammals?

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

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What are birds?

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Birds are warm-blooded vertebrates that have feathers, lay eggs, and have wings.

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What are amphibians?

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Amphibians are cold-blooded vertebrates that usually start life in water and later can live on land. They have moist skin and lay eggs.

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What are reptiles?

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Reptiles are cold-blooded vertebrates that have dry, scaly skin and usually lay eggs. Examples include snakes and lizards.

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What are fish?

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Fish are cold-blooded vertebrates that live in water, have gills for breathing, and usually lay eggs.

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What is an example of a vertebrate?

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An example of a vertebrate is a dolphin.