All cnidarians have tentacles that are armed with rows of stinging:
a. cnidocysts.
b. medusae.
c. epidermal cells.
d. polyps.
e. collar cells.
Ans: a. cnidocysts.
Biology & Microbiology
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An organism that possesses a scolex and proglottids
lacks a. bilateral symmetry. b. a coelom. c. mesodermal tissue. d. bilateral symmetry and a coelom. e. bilateral symmetry, a coelom, and mesodermal tissue.
Biology & Microbiology
Rotifers possess
a. cilia. b. a mouth. c. protonephridia. d. nerve cells. e. all of these.
Biology & Microbiology
Sperm and egg fuse to form a diploid fertilized egg, called a ________
Fill in the blank(s) with correct word
Biology & Microbiology
Who developed the individualistic model?
A. Daniel Simberloff B. Frederic Clements C. Henry Allan Gleason D. Joseph Connell E. E. O. Wilson
Biology & Microbiology