All Kinds of Animals

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What is a vertebrate?

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A vertebrate is an animal that has a backbone or spinal column.

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What are amphibians?

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Amphibians are vertebrates that typically live both in water and on land. They use gills when they are young and lungs as adults.

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What is a mollusk?

Back

A mollusk is a soft-bodied animal, often protected by a hard shell, such as snails, clams, and octopuses.

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What does radial symmetry mean?

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Radial symmetry means that the body can be divided into similar halves around a central axis, like a sea urchin.

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What are tentacles?

Back

Tentacles are flexible, elongated structures that some animals, like jellyfish, use to catch food.

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What is a planarian?

Back

A planarian is a type of flatworm that is known for its regenerative abilities.

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What is the function of a hard shell in mollusks?

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The hard shell protects the soft body of the mollusk from predators and environmental hazards.

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What is the difference between vertebrates and invertebrates?

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Vertebrates have a backbone, while invertebrates do not.

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What is symmetry in animals?

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Symmetry refers to the balanced proportions of an animal's body. Animals can have bilateral symmetry (like humans) or radial symmetry (like jellyfish).

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What are gills?

Back

Gills are respiratory organs that allow aquatic animals to extract oxygen from water.