Which of the following explains why archipelago
islands are so important to the study of allopatric
speciation?
a. All are islands surrounded by water.
b. They are close to the equatorial continents.
c. They are distant enough from the continents to
prevent or impede gene flow.
d. They prevent genetic isolation by putting all the
populations into a small area.
e. They increase genetic drift.
Answer: c
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Which of the following are covalent bonds?
A. peptide bonds B. glycosidic bonds C. phosphodiester bonds D. All of the above
In the experiment with Peacock butterflies, the
working hypothesis is that a. mimicry confuses both predator and prey. b. mimicry conveys a selective advantage to the prey. c. birds are capable of learning. d. birds are agents of evolution. e. unpalatable species display distinctive wings.
Which bacteria help keep the vaginal pH below the range of tolerance of other bacteria and most fungi?
A. Corynebacterium diphtheriae B. Lactobacillus C. Clostridium botulinum D. Proteus E. Moraxella
Moving from the outside of the body, the first type of tissue encountered is epithelial tissue.
Answer the following statement true (T) or false (F)