Invertebrates

Front

What are Invertebrates?

Back

Invertebrates are animals that do not have a backbone or spinal column. They make up about 95% of all animal species.

Front

What is a Poriferan?

Back

Poriferans, commonly known as sponges, are simple invertebrates with a porous body and no true tissues or organs.

Front

What is an Arthropod?

Back

Arthropods are invertebrates with an exoskeleton, segmented body, and jointed appendages. Examples include insects, arachnids, and crustaceans.

Front

What is a Mollusk?

Back

Mollusks are soft-bodied invertebrates, often with a hard shell. They include snails, clams, and octopuses.

Front

What is an Annelid?

Back

Annelids are segmented worms, such as earthworms and leeches, characterized by their segmented bodies.

Front

What is an Echinoderm?

Back

Echinoderms are marine invertebrates with a hard, spiny covering and a water vascular system. Examples include starfish and sea urchins.

Front

What is Radial Symmetry?

Back

Radial symmetry is a body plan in which body parts are arranged around a central axis, like in jellyfish and starfish.

Front

What is Bilateral Symmetry?

Back

Bilateral symmetry is a body plan in which the left and right sides of an organism are mirror images of each other, common in arthropods and vertebrates.

Front

What is a Water Vascular System?

Back

A water vascular system is a network of fluid-filled canals in echinoderms that helps with movement, feeding, and respiration.

Front

What are Tube Feet?

Back

Tube feet are small, flexible, and suction-like structures found in echinoderms, used for locomotion and feeding.