8. The body walls of sponges contain A many pores B) epidermal cells C) lagellat

Question

8. The body walls of sponges contain A many pores B) epidermal cells C) lagellated collar cells D) spicules E) all of the above 9. The of a sponge trap/s) food particles and digest(s) them within food vacuoles A) collar cells or choanocytes B) sculum C) spicules D) spongin E) amoeboid cells 10. Sponges A) reproduce sexually by egg and sperm B) are capable of regeneration C) reproduce asexually by budding D) reproduce asexually by fragmenting E) all of the above 1.c efllowing is NOT an exumple of a caidarian? A jellyfish B) flatworm C) sea anemone D) coral E) hydra 12. Annelids are the A) jointed-legged B) flat-bodied C) parasitic D) acoelomate E) segmented 13. Which of the following statements about protostomes and deuieroiomes is/are tru? a protostomes have spiral and determinale cleavage b. in deuterostomes, the cmbryonic blastopore becomes the mouth c. deuterostomes include molluses, arthropods, and sea stars d a and b e. a, b, and c 14. Which of the following is not characteristic of bilateral symmetry? A) anterior B) dorsal surface C) left and right sections are mirror images D) all sections are mirror images 1S. The first larval stage of mollusks is the A) iad

Explanation / Answer

8.

E.All of above

9.

E.ameboid cell

10.

E.all of above

11.

B.flatworm

12.

E.segmented

13.

e. a b and c

14.

B.dorsal surface.

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