Protists that absorb nutrients from dead organic matter are called
A) predatory.
B) decomposers.
C) photosynthetic.
D) parasitic.
E) symbiotic.
B
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When nonrandom mating occurs in a population so that individuals prefer to mate with similar individuals, allele frequencies should
A) Remain the same, but homozygotes will be overrepresented in the population. B) Remain the same, but heterozygotes will be overrepresented in the population. C) Change and heterozygotes will be overrepresented in the population. D) Change and homozygotes will be overrepresented in the population. E) Remain the same, at Hardy-Weinberg equilibrium.
A recovering stroke patient complained about strange smells in his room, but no cause could be found. The doctor diagnosed this as phantosmia, or olfactory hallucination, and said it was likely due to stroke-related damage to which tissue?
A. Peripheral nervous system B. Olfactory receptors C. Nodes of Ranvier D. Central nervous system
Which of the following would not occur in the structure marked by the letter "A"?
a. warming of air b. odor detection c. gaseous exchange of oxygen and carbon dioxide to and from blood d. filtering of dust from air e. moisturizing of dry air
Wrinkling observed with aging is due to increased production of the extracellular matrix molecule, collagen.
Answer the following statement true (T) or false (F)