Why is the distance of Earth from the sun so crucial for life as we know it?
a. The distance provides the optimal temperature for water to occur in a liquid form.
b. The distance allows Earth's orbit to have a year of a reasonable length.
c. The distance allows for multiple seasons in temperate climates, which was crucial for the emergence of
chemicals used to build the first protocells.
d. The distance provides ample opportunity for water to freeze into ice.
e. The distance ensures that ample water is available for all of the organisms on Earth.
ANSWER: a
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A. cellular hyperplasia B. loss of ciliated cells C. cellular displasia D. elevated gas transport E. increases in basal cell number and thickening of epithelium
During every energy transformation, it can be said that ____
a. the entropy of the universe increases b. the entropy of the universe decreases c. there is an increase in the free energy of the universe d. there is a change in the total energy of the universe e. the system becomes more organized
In bull elks, the mating season is triggered by the length of daylight which has a direct role on ____
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Which human brain lobe, A, B, C, or D, is the occipital?
1.A
2.B
3.C
4.D
