Morphological differences in European beaver and ____ contributed to Darwin's thoughts on reasons
for species differences.
a. South American nutria
b. South American iguana
c. extinct glyptodont
d. nine banded armadillo
e. South American beaver
A
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If alleles L, M, and N are on the maternal
chromosome and l, m, and n are on the paternal chromosome, the only way that a gamete from a heterozygote will produce a gamete with alleles l, m, and N is through a. nondisjunction. b. the laws of segregation. c. the law of independent assortment. d. crossing over. e. chromosome aberration.
All evolutionary ancestors of modern humans have been discovered and identified
a. True b. False
Which of the following animals has a three-chambered heart?
A) snake B) crocodile C) human D) bird
The scientific name of an organism is composed of two names. The first part identifies the ____ while
the second part designates the ____.
a. genus; species b. species; genus c. genera; genus d. phylum; species e. family; genus