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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Newborn babies acquire microbiota by
A. passing through the birth canal. B. breastfeeding. C. contact with mother's skin. D. environment. E. All of the above are a source of microbiota.
Answer the following statements true (T) or false (F)
1. Some conifers shed their leaves seasonally. 2. The fossil record shows that angiosperms evolved directly from the Gnetophytes. 3. Incomplete flowers can be perfect flowers but imperfect flowers cannot be complete flowers. 4. Stamens and carpels are, in fact, modified sporangia-bearing leaves.
Grass, mice, snakes, and hawks living together in the same geographic area constitute a/an
A. ecosystem. B. abiotic factor. C. community. D. environment.
Place in order the steps of a microbiome study by whole metagenome sequencing:A. Perform shotgun sequencingB. Extract DNAC. Use computer to analyze sequences and compare to databasesD. Obtain samplesE. Use computer to create contigs
A. D, B, A, E, C B. A, D, B, C, E C. C, B, A, D, E D. B, E, C, A, D