Explain how microevolution and artificial selection are demonstrated by the wide variety of dog breeds currently in existence

What will be an ideal response?


Artificial selection via breeding has led to considerable variation within dog populations. However, all dogs are believed to be descended from wolves, and despite their variation, all dogs are members of the same species.

Biology & Microbiology

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A bacterial cell must have ___________ in order to transfer portions of its chromosome to another cell.

A. an F factor B. a high frequency of combination plasmid C. a recombination factor D. growth enhancement genes E. all of these components

Biology & Microbiology

Plant responses to the relative lengths of light and dark periods in their environment during each 24-

hour period are

a. gravitropisms. b. photoperiodisms. c. thigmotropisms. d. circadian rhythms. e. phototropisms.

Biology & Microbiology

The most abundant of the circulating white

blood cells are the a. neutrophils. b. macrophages. c. mast cells. d. eosinophils. e. lymphocytes

Biology & Microbiology

A(n) ________ group is treated like an experimental group, except for the one variable being tested

Fill in the blank(s) with correct word

Biology & Microbiology