In 1440, there were approximately how many people

living on Easter Island?
a. 1 million
b. 95,000
c. 15,000
d. a few hundred
e. none of these


Answer: c

Biology & Microbiology

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Reabsorption of water in the hindgut of insects is controlled by which of the following?

A) osmotic gradients created by ion pumps B) selective absorptive processes that take place in the Malpighian tubules C) ion concentration of hemolymph D) osmoregulators in the rectal gland

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What is an X-linked inheritance pattern? Use a specific example to explain the role of the father and mother in this

unique inheritance pattern and note the differential impact on male and female offspring. What will be an ideal response?

Biology & Microbiology

Much of the coal we use today came from ________ that lived during the Carboniferous

A) gymnosperms B) mosses C) angiosperms D) ferns

Biology & Microbiology

Which of the following pairs is mismatched?

A) tetanus — releases potent neurotoxin B) botulism — stimulates transmission of nerve impulse C) poliomyelitis — multiplication of virus occurs in throat and small intestine D) rabies virus — destroys cells of the CNS E) leprosy — deformation of nose and hands can occur

Biology & Microbiology