Homology is evidence of ________.
A. .natural selection
B. binomial classification
C. artificial selection
D. common ancestry
D. common ancestry
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Which phylum harbors the MOST functional diversity observed and also has the MOST cultured representatives?
A) Actinobacteria B) Bacteroidetes C) Firmicutes D) Proteobacteria
Answer the following statements true (T) or false (F)
1.ADP is required for muscular contraction. 2.Calcium ions are required for muscular contraction. 3.The biceps and triceps work as an antagonist muscle pair. 4.Without its endoskeleton, the vertebrate body would be without support. 5.One of the critical functions of the vertebrate skeleton is helping to generate movement with the muscular system.
The spindle apparatus is composed of
a. Golgi bodies. b. microtubules. c. endoplasmic reticulum. d. nucleoprotein. e. chromatids.
Which of the following can produce a population of individuals with a relatively high frequency of a harmful or rare allele?
a. mutation b. natural selection c. the founder effect d. artificial selection e. migration between large populations