Differentiate between macroevolution, microevolution, and speciation. What will be an ideal response?
Macroevolution refers to large scale phenotypic changes in populations that place them in taxonomic
groups at the species level or higher (i.e., new species, genera, phyla, kingdoms, or domains).
Speciation is the evolution of new species.
Microevolution is a change in frequency of an allele over a generation.
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We now know that one reason Mendel's classic studies with peas were successful is because peas are:
A. different shapes B. different colors C. have other traits that we now know about D. develop as a result of well-kept gardens E. are self-pollinating
Living as a member of a group may have all of the following advantages except what?
A. being more resistant to disease and parasites B. increased feeding rate C. greater protection from predators D. members learn about new food sources from other members E. more individuals scan the environment for dangers
Which genus is the most common resident biota of mouth surfaces?
A. Haemophilus B. Escherichia C. Lactobacillus D. Streptococcus E. Mycobacterium
If individuals in the same town continue to only mate with other individuals from the same town, one
would expect to see an increase in __________ within the population. a. genetic drift b. migration c. heterozygosity d. homozygosity e. assortative mating