The seeds of many plant species are dispersed by a harmless temporary attachment to an animal's fur or feathers. This form of dispersal can be classified as
A. phoresy.
B. mutualism.
C. pollination.
D. amensalism.
E. ectoparasitism.
Answer: A
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All are true about a dehydration reaction EXCEPT which of the following?
A. Results in removal of a water molecule. B. Essential for the breakdown of complex molecules to simple ones. C. Essential to the formation of polymers. D. Essential for the formation of glycogen from glucose monomers. E. Essential for the formation of triglycerides (fat) from glycerol and fatty acids.
In the Hardy-Weinberg equation, p2 + 2pq + q2 = 1, 2pq represents the frequency of
A. homozygous dominant and heterozygous individuals. B. homozygous dominant individuals. C. homozygous recessive individuals. D. heterozygous individuals. E. homozygous recessive and heterozygous individuals.
When viewing a cell culture under a microscope, most cells would be in which phase of cell cycle?
a. telophase b. interphase c. metaphase d. cytokinesis e. prophase
A(n) ________ is a contraceptive device that is inserted into the uterus, where it remains for several years
Fill in the blank(s) with correct word