Adaptations found in inhabitants of the rocky intertidal zone include:a
soft bodies.
b. an anchor or some other means of attachment.
c. strong swimming abilities.
d. active burrowing.
e. delicate outer coverings or bodies.
b
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A marine biologist visits your biology class and begins his talk entitled, "Life as a Trochophore." A friend seated next to you asks, "What is a trochophore?" You explain that a trochophore is
A. another name for the veliger stage in earthworm reproduction. B. a term used to describe a larval form of either the phylum Mollusca or Annelida. C. another name for the veliger stage in the oyster. D. similar to a lophophore, but only found in the phylum Annelida. E. a parasite in the intestines of a bivalve mollusk.
What type of cells do not undergo mitosis?
A) All cells of the body except gametes (i.e., only somatic cells) B) Gametes C) Both somatic cells of the body and gametes D) Neither somatic cells of the body nor gametes
You catalog all obligate asexual species within a family of insects and notice that asexual species are rare and are all members of genera that consist mainly of sexual species. Why do you conclude that asexual species tend to be short lived?
What will be an ideal response?
The layers of the gastrointestinal tract wall from the inside layer outward in order are
A. mucosa, muscularis, serosa, submucosa. B. serosa, submucosa, muscularis, mucosa. C. mucosa, submucosa, muscularis, serosa. D. submucosa, muscularis, mucosa, serosa. E. muscularis, serosa, mucosa, submucosa.