An example of evolutionary divergence is best characterized by Darwin's observation of ____
a. fossils along the coast of Argentina
b. body armor similarities between armadillos and fossilized glyptodonts
c. differences in appearance of nutria and beaver
d. differences in bill shape and food habits of finches
e. the great variety of form of species
D
You might also like to view...
If we wanted to examine the effect of a fertilizer on the size of zucchini produced, we would need to
establish both experimental and control groups. The control group for this experiment would be defined by the following conditions:a. soil, fertilizer, water, sun, and no zucchini seeds. b. soil, fertilizer, water, sun, and zucchini seeds. c. soil, water, sun, and no zucchini seeds. d. soil, water, sun, and zucchini seeds. e. soil, water, and sun.
Any organism or agent that produces a disease is known as a
A) Pathogen B) Commensal C) Reservoir D) Vector
Assume that the gene trpA in an auxotrophic strain of E. coli is located at 27 minutes, whereas the gene pyrE is located at 81 minutes
Present an experimental scheme that would allow you to convert one of the auxotrophic strains to a prototrophic strain. A) F+ (auxotroph) × F? (wild type) B) F+ (wild type) × F? (auxotroph) C) Hfr (auxotroph) × F? (auxotroph) D) Hfr (wild type) × F? (auxotroph) E) Hfr (auxotroph) × F? (wild type)
Name the stage of M phase in which the following events occur. Place the numbers 1–8 next to the letter headings to indicate the normal order of events
A. alignment of the chromosomes at the spindle equator B. attachment of spindle microtubules to chromosomes C. breakdown of nuclear envelope D. pinching of cell in two E. separation of two centrosomes and initiation of mitotic spindle assembly F. re-formation of the nuclear envelope G. condensation of the chromosomes H. separation of sister chromatids