Echinoderms & Invertebrate Chordates - Biology II

Which group of invertebrates is most closely related to chordates/vertebrates?

• cnidarians
• echinoderms
• worms
• sponges

Tags

NGSS.MS-LS4-2

those organisms that do not have a backbone

• molting
• Mammals
• Vertebrates
• Invertebrates

Have 4 main traits in common: notochord, tail, nerve cord, and pharyngeal pouch

• Sponges
• Molting
• Metamorphosis
• Chordates

Tags

NGSS.HS-LS4-2

Which are examples of Echinoidea?

• brittle stars

• sea cucumber

• sea urchins

• sand dollar

tube connects the madreporite to the ring canal

• madreporite

• stone canal

• ring canal

• radial canal

What is a complex jaw-like mechanism?

• Aristotle's Lantern

• Evisceration

• Regeneration

• Madreporite

A flexible rod shaped structure that supports the body of a developing chordate

• Notochord
• Pharyngeal pouch
• tail
• Nerve cord

What does Holothuroidea mean?

• spine-like

• water polyp

• lily-like

• star-like

Sieve-like plates on the aboral surface where water enters

• radial canal

• madreporite

• stone canal

• ring canal

To which phylum do vertebrates belong?

• Chordata
• Cnidaria
• Echinodermata
• Arthropoda