Animal Classification

Front

What is an arthropod?

Back

An arthropod is a type of invertebrate animal that has an exoskeleton, a segmented body, and jointed appendages. Examples include crabs, insects, and spiders.

Front

What are the main characteristics of animals?

Back

Animals are many-celled organisms that use energy, have cells with nuclei and organelles, and can move from place to place.

Front

What is an invertebrate?

Back

An invertebrate is an animal that does not have a backbone. Examples include jellyfish, worms, and crabs.

Front

What is a chordate?

Back

A chordate is an animal that has a backbone at some stage of its life. This group includes mammals, birds, reptiles, amphibians, and fish.

Front

What are amphibians?

Back

Amphibians are cold-blooded animals that can live both on land and in water. Examples include frogs, toads, and salamanders.

Front

What is a mollusk?

Back

A mollusk is a type of invertebrate animal that usually has a soft body and may have a hard shell. Examples include snails, clams, and octopuses.

Front

What is a sponge?

Back

A sponge is a simple invertebrate animal that lives in water and has a porous body. They filter water to obtain food.

Front

What is a cnidarian?

Back

Cnidarians are invertebrates that have stinging cells and include animals like jellyfish, corals, and sea anemones.

Front

What does it mean for an animal to be cold-blooded?

Back

Cold-blooded animals, or ectotherms, rely on external sources of heat to regulate their body temperature, unlike warm-blooded animals.

Front

What is the difference between vertebrates and invertebrates?

Back

Vertebrates have a backbone, while invertebrates do not. Vertebrates include mammals, birds, reptiles, amphibians, and fish.