The caudal fin shape that is asymmetrical, with most of the mass in the upper lobe, is a ________
A) rounded fin
B) truncate fin
C) lunate fin
D) heterocercal fin
E) forked fin
D
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The dramatic increase in yields associated with the second agricultural revolution coincided with
A) a commercial market for food created by the growing urban labor force. B) the advent of communism and the emergence of communal farming systems. C) the arrival of crops (potatoes, tomatoes, peppers, chocolate) from the New World. D) the introduction of hybrid seeds and GMOs (genetically modified organisms). E) the large influx of migrants from peripheral to core countries.
The biologically amplified concentration of chlorinated hydrocarbons in dolphins is an example of ____________. Fill in the blank(s) with the appropriate word(s)
Experiments involving early atmospheric conditions were able to produce amino acids, sugars, and even microscopic bacteria.
a. true b. false
Describe the important aspects of atmospheric absorption, reflection, scattering, and transmission of light
What will be an ideal response?