Invertebrates Phylas

Flashcards covering the vocabulary and major invertebrate phyla discussed in the lecture notes.

Body plan

The overall organization of an animal's body.

Invertebrate

An animal that does not have a backbone.

Phylum

Animals grouped together by their similar body plans.

Segmented

Animal whose body is divided into distinct sections so that it looks jointed, such as a centipede.

Tentacle

Slender, finger-like extension usually found near an animal's mouth or head used to catch and handle food.

Porifera

Sponges

Cnidaria

Sea anemones, jellyfish, and corals

Platyhelminthes

Flatworms

Nematoda

Roundworms

Mollusca

Snails, chiton, slugs, squids, and octopuses

Annelida

Segmented worms (repeated body segments)

Arthropoda

Insects, shrimps, lobsters, and crabs

Echinodermata

Sea stars, urchins, brittle stars, sea cucumbers, sand dollars