4 th Grade

The study of animals

An animal that has a vertebral column or backbone

A skeleton located inside the body

An animal that is warm- blooded Body temperature remains constant regardless of surrounding temperatures

An animal that is cold- blooded Body temperature changes to match the surrounding temperatures

Homeotherm Body temperature remains constant regardless of surrounding temperatures

Poikilotherm Body temperature changes to match the surrounding temperatures

An animal that does not have a vertebral column or backbone

A phylum of invertebrates with segmented bodies, jointed legs, & an exoskeleton They molt as they grow

A skeleton located outside the body

To shed the outer skeleton

A class of arthropods with 3 body segments, 3 pairs of legs, 1 or 2 pairs of wings, & 1 pair of antennae

A class of arthropods with 2 body segments, 4 pairs of legs, fangs, & no antennae

The changing of an animal’s body form during its life cycle

The young of amphibians and fish, like frogs The young of insects that go through complete metamorphosis, like butterflies & beetles

A young insect that looks like its parent but lacks some of the body parts it will have as an adult

The stage in complete metamorphosis where an insect’s body is changing completely & developing new structures

An animal that eats only plants

An animal that eats only meat (other animals)

An animal that eats plants and other animals

An animal that eats only dead plants & animals