Which of the following would NOT be used to construct a phylogenic tree?

A. homologous structures
B. mode of reproduction
C. DNA-DNA hybridization
D. amino acid sequences


Answer: B. mode of reproduction

Biology & Microbiology

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Based on the graph below, the color of male guppies can be seen as a balance between positive and negative selections.  Bright colors are an advantage in _____, but a disadvantage in _____.



A.  attracting mates; avoiding predators
B.  attracting mates; finding food
C.  finding food; attracting mates
D.  avoiding predators; attracting mates
E.  avoiding predators; finding food

Biology & Microbiology

True or False: The fossil record reveals there are relatively few animal body plans maintained throughout Earth's history

A. true B. false

Biology & Microbiology

How are new combinations of alleles introduced into chromosomes?

a. independent assortment in meiosis I b. crossing over in meiosis I c. breeding between the dominant individuals in the population d. breeding between the recessive individuals in the population e. independent assortment at meiosis II

Biology & Microbiology

Which of the following statements is CORRECT?

A) The carpal region is proximal to the brachial region B) The umbilical region is dorsal to the spinal column C) The thoracic region is caudal to the lumbar area D) The femoral region is proximal to the pedal region

Biology & Microbiology