Echinoderms

Front

What is the aboral surface of echinoderms used for?

Back

Protection, primarily through structures like spines.

Front

How are echinoderms classified in terms of body cavities?

Back

They are classified as triploblastic coelomates.

Front

What is the function of pedicellaria in echinoderms?

Back

Keeps the aboral surface clear of debris.

Front

What is the role of the ampulla in echinoderms?

Back

It helps extend and retract the tube feet.

Front

What type of skeleton do echinoderms possess?

Back

Echinoderms have an endoskeleton.

Front

What are skin gills in echinoderms?

Back

Structures used for respiration and excretion.

Front

Define the term 'madreporite' in echinoderms.

Back

A porous plate that allows water to enter the water vascular system.

Front

What is the primary function of the water vascular system in echinoderms?

Back

It facilitates movement and feeding.

Front

What are tube feet and their function in echinoderms?

Back

Extensions of the water vascular system used for locomotion and grasping.

Front

Explain the term 'deuterostome' as it relates to echinoderms.

Back

Echinoderms are deuterostomes, meaning their mouth develops secondarily from the blastopore.