The Study Guide

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Types of Symmetry

Asymmetrical - most basic, only sponges (phylum Porifera) have asymmetrical body plans.

Radial - animals like jellyfish and starfish

Bilateral - it could be divided into matching halves by drawing a line down the center.

Types of Cellular Level of Organization

Protostomes vs. Deuterostomes

Types of Body Cavities

Molting Patterns

Origins of Multicellularity

General characteristics of sponges

Functions of 3 types of sponge cells

3 body forms of sponge cells

Sexual and asexual reproduction in sponges

General characteristics of cnidarians

Alternation of generation

Cnidarian nervous tissue

Reproduction in cnidarians

5 classes of Cnidarians

General characteristics of flatworms

Osmoregulation in flatworms

General life cycle of 4 flatworm classes

General characteristics of roundworms

Reproductive strategies of Pseudocoelomates

General characteristics of segmented worms

Differences between segmented worm classes