Which lineage of Echinoderms is made up of about 1500 species of sea stars, each with a central disk surrounded by 5 to 20 "arms"?
a. Ophiuroidea
b. Asteroidea
c. Crinoidea
d. Echinoidea
Ans: b. Asteroidea
Biology & Microbiology
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Which of the following processes does denitrification contribute to?
A) acid rain B) ozone depletion C) global warming D) acid rain, ozone depletion, and global warming
Biology & Microbiology
A human X-linked gene is
a. found only in males. b. more frequently expressed in females. c. found on the Y chromosome. d. transmitted from father to son. e. found on the X chromosome.
Biology & Microbiology
What example of homeostasis includes the maintenance of constant internal body temperature?
What will be an ideal response?
Biology & Microbiology
The biggest problem in moving toward a sustainable society in LDCs is overconsumption.
Answer the following statement true (T) or false (F)
Biology & Microbiology