Anatomy Of a Starfish

• tube feet

• stone canal

• digestive glands

• madreporite

• endoskeleton

• exoskeleton

What phylum are sea stars in?

• Mollusca

• Arthropoda

• Echinodermata

• Ctenophora

• Bryozoa

What internal system of canals and external tube feet help echinoderms move and feed?

• gastrovascular cavity
• water vascular system
• hydrostatic skeleton
• cardiovascular system

What type of skeleton do echinoderms have?

• Exoskeleton
• Hydrostatic skeleton
• Endoskeleton
• Mesenteric skeleton

How are the eggs of echinoderms fertilized?

• internally
• externally
• asexually
• pseuodsexually

Tags

NGSS.MS-LS3-2

What phylum is a Starfish

• Animal

• Echinoderm

• Mollusk

• Cnidarian

A starfish has 2 stomachs

• True

• False

Which stomach is pushed out through the mouth when feeding

• Cardiac

• Pyloric

• Gastral

• Tubular

Which stomach is attached to the cardiac and digestive glands

• Cardiac

• Pyloric

• Gastral

• Tubular