Crabs, lobsters, and spiders belong to the ________ phylum

Three body regions of an arthropod

Insects typically have ___ pair if legs

Starfish and sand dollars belong to the phylum ____.

Sponges belong to the phylum _______

Three main characteristics of arthropods

Head and thorax fused together form a _____

The wings of an insect are made of _____.

Echinoderms have ______ symmetry

Platyhelminthes contain what type of worms?

Small openings that allows air to flow into the tracheal tubes

Lobster and crabs belong to which group of arthropods?

_____ metamorphosis includes a nymph stage.

The suction cup structures found in echinoderms are called ______.

What percentage of animals are vertebrates?

saclike structure that extracts waste in arthropods

Spiders and scorpions belong to which group of arthropod?

During complete metamorphosis, a ____ is the stage when the larva changes into an adult.

_____ is the seivelike structure that brings in water into the water vascular system.

Jellyfish belong to the phylum

Arthropods grow through a process of ______

Insects belong to which group of arthropods?

The different jobs performed within an insect society are called ______.

Echinoderm that looks like a warty pickle is a ____.

If an animal does not move, it is said to be _____.