Phylum Echinodermata Review

What type of body symmetry do echinoderm adults display?

• Bilateral

• Asymmetry

• Radial

• Concentric

SELECT ALL THAT APPLY: Which of the following is true of echinoderms?

• Have spiny skin

• Live on the seafloor in the ocean

• Have an endoskeleton made of ossicles

• Have an exoskeleton made of spines

• Essentially harmless to humans

Tags

NGSS.MS-LS4-2

Which of the following best describes the nervous system of echinoderms?

• Nerve net

• Nerve ring with radial nerves (and some with nerve net)

• Ganglia with nerve cords

• No nervous system

SELECT ALL THAT APPLY: Which of the following are reasons why echinoderms are important to scientific research?

• Play numerous ecological roles

• Dangerous to humans

• Control population sizes of prey

• Useful to humans for food, farming and developmental biology research

• Bring in money through ecotourism

SELECT TWO: The oral surface includes ____

• Anus

• Tube feet

• Madreporite

• Mouth

SELECT TWO: The aboral surface includes ____

• Anus

• Tube feet

• Madreporite

• Mouth

Where does water enter and leave the water vascular system?

• Mouth

• Madreporite

• Tube feet

• Anus

SELECT TWO: Echinoderms reproduce ....

• Asexually by budding

• Asexually by regeneration

• Sexually by external fertilization

• Sexually by internal fertilization

Tags

NGSS.MS-LS3-2

Sea urchins are known to prey on ______

• Coral reefs

• Abyssal plain

• Sandy shore

• Kelp forest

Starfish are known to prey on ______

• Coral reefs

• Abyssal plain

• Sandy shore

• Kelp forest