Hybrids in which the chromosome sets come from two distinct, though related, species are known as
A) autopolyploids.
B) allopolyploids.
C) aneuploids.
D) bivalents.
B) allopolyploids.
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Standard Precautions include:
a. using barrier devices to prevent exposure to skin and mucous membranes. b. recapping needles by hand. c. storing drinks but not food in laboratory refrigerators. d. discarding sharps in plastic biohazard bags.
The nearest living relatives of crocodiles and alligators are
A. snakes. B. birds. C. turtles. D. lizards. E. manatees.
Whole genome duplication, referred to as _______, was likely a major factor in the rapid diversification of angiosperms.
A. Homospory B. Heterospory C. Polyploidy D. Self-fertilization E. Double fertilization
A Viceroy caterpillar feeds on a leaf. One day's feeding consumes 1000 calories worth of leaves. 50% of the calories are lost in its feces and 33% of the calories are used in cellular respiration.How many calories of the original intake are available to add to the caterpillar's biomass each day?
A. 830 calories B. 330 calories C. 500 calories D. 170 calories E. 670 calories