Animal kingdom

Front

What are reptiles?

Back

Reptiles are cold-blooded animals that breathe with lungs, have dry skin covered in scales, and most lay eggs.

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Examples of reptiles include:

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Lizards, snakes, turtles, and crocodiles.

Front

What are cnidarians?

Back

Cnidarians are invertebrates that have radial symmetry, stinging cells, tentacles, and a hollow body cavity.

Front

Examples of cnidarians include:

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Jellyfish, hydra, coral, and sea anemones.

Front

What are echinoderms?

Back

Echinoderms are invertebrates with spiny skin, a complex water vascular system, and radial symmetry; many have tube feet.

Front

Examples of echinoderms include:

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Starfish, sea urchins, and sea cucumbers.

Front

What are the main characteristics of birds?

Back

Birds are warm-blooded, breathe with lungs, have wings, and lay hard-shelled eggs.

Front

Examples of birds include:

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Eagles, sparrows, penguins, and ostriches.

Front

What is the difference between warm-blooded and cold-blooded animals?

Back

Warm-blooded animals maintain a constant body temperature regardless of the environment, while cold-blooded animals' body temperature varies with the environment.

Front

What are amphibians?

Back

Amphibians are cold-blooded animals that typically live both in water and on land, and they undergo metamorphosis from a larval stage to an adult stage.