Animal Phyla Overview

These flashcards cover key concepts regarding various animal phyla, their characteristics, and examples.

What are arthropods characterized by?

Animals with an exoskeleton.

Can you name three examples of arthropods?

Ants, spiders, crabs.

What distinguishes mollusks from other animal phyla?

Animals with no skeleton, but many organs.

Provide examples of mollusks.

Octopi, squid, clams.

What type of skeleton do cnidarians have?

No skeleton and few organs.

Give examples of cnidarians.

Coral, sea anemones, jellyfish.

How do flatworms differ anatomically regarding feeding and excretion?

They have one hole for eating and excretion.

List examples of flatworms.

Tape worms, flatworms.

Describe the anatomical features of segmented worms.

Worms with two holes for eating and excretion.

Give an example of a segmented worm.

Earthworms.

What are the basic characteristics of sponges?

Simplest animal life with tissues and no organs.

Can you name two types of sponges?

Sea sponges, ocean sponges.