invertebrates

Example:The aquarium contained a variety of aquatic invertebrates, including colorful crustaceans.

Definition:A group of invertebrates that includes crabs, lobsters, and shrimp, characterized by a hard exoskeleton.

Example:Fossil records show that vertebrates evolved from invertebrates over millions of years.

Definition:A group of animals that have a backbone or spinal column, contrasted with invertebrates.

Example:The arthropod invertebrates are the most diverse group of animals on Earth.

Definition:A group of invertebrates characterized by jointed legs and a segmented body, including insects, arachnids, and crustaceans.

Example:Insects are among the most numerous and widespread invertebrates, with thousands of species.

Definition:A class of invertebrates with six legs, a body divided into three segments, and usually two pairs of wings.

Example:Oysters and clams are bivalve molluscs, which are a type of invertebrate.

Definition:A class of invertebrates that includes snails, slugs, octopuses, and clams, characterized by a soft, unsegmented body and usually a protective shell.