Which of the following is incorrectly paired?
a. mesoderm—muscle
b. endoderm—skin
c. ectoderm—feathers
d. mesoderm—circulatory system
B
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Nondisjunction of chromosomes during
meiosis can lead to
a. directional selection. b. disruptive selection. c. sympatric speciation. d. hybrid sterility. e. allopatric speciation
The primary cause of biodiversity loss is
A. predation. B. parasitism. C. genetic mutation. D. habitat destruction. E. global warming.
To study the maximum amount of genome diversity in the human species, which of the following provides the most information?
A) karyotyping B) SNP variation C) DNA fingerprinting D) sequencing of one or more specific genes E) ortholog comparisons
Darwin suggested that the animals on the Galapagos Islands had become new species because they were adapting to new, local environments.
a. true b. false