In the oceans, prokaryotes are outnumbered ten to one by
A) zooplankton.
B) diatoms.
C) viruses.
D) phytoplankton.
Answer: C
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Research by Malte Andersson suggests the long tail feathers of male African widowbirds are a product of ____
selection because females are more strongly attracted to males with long tails than to males with short tails.
a. disruptive b. intersexual c. intrasexual d. artificial e. stabilizing
If a person who has never been infected with human herpesvirus 3 comes in contact with the fluid of shingles lesions, they will come down with ________.
A. infectious mononucleosis B. herpes keratitis C. chickenpox D. shingles E. herpes labialis
The extraembryonic membrane closest to the embryo is the:a
amnion. b. archenteron. c. chorion. d. blastocyst. e. neural plate
Which of the following organelles plays an important role in apoptosis, or programmed cell death?
a. ribosomes b. mitochondria c. chloroplasts d. vacuoles e. peroxisomes