Course

Ecology

Study Pack

Set 14 The Diversity Of Benthic Marine Invertebrates

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Question 1

(Multiple Choice)

Free
What is the advantage of bilateral symmetry in animals?

A) Can sense food equally in all directions
B) Superior in every way to radial symmetry
C) Can more efficiently detect signals from one direction while moving
D) Is always useful to have a rear end

Answer

Question 2

(Multiple Choice)

Free
Sponges feed by means of

A) Currents formed by amoebocyte cells
B) Currents generated by muscular contraction
C) Currents formed by collar cells
D) External water currents only

Answer

Question 3

(Multiple Choice)

Free
All sponges have

A) Spicules
B) Bilateral symmetry
C) Nematocysts
D) No chemical defenses

Answer