Which mammalian lineage contains organisms that lay eggs?
a. Strepsirhini
b. monotremes
c. Rodentia
d. Haplorhini
e. marsupials
ANSWER: b
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Which of the following is common to both extracellular and intracellular digestion?
A. the ability to phagocytose food particles B. a slow speed of digestion C. the presence of a digestive cavity D. the ability to consume both large and small food items E. None of these characteristics are common to both extra- and intracellular digestion.
The second meiotic division is essentially a mitosis division except for the fact that the cell are?
A. Diploid B. Haploid C. Autosomal D. Polyploidy E. Somatic
A human X-linked recessive gene may be
a. found on the Y chromosome. b. passed to daughters from their fathers. c. passed to sons from their mothers. d. expressed more commonly among females. e. passed to daughters from their fathers and passed to sons from their mothers.
One hypothesis holds that complex organic compounds formed near deep-sea
a. silt mounds. b. hydrothermal vents. c. caverns. d. crevices. e. rock outcrops.