Species - as opposed to individuals or populations - are considered the ultimate evolutionary unit because (select all correct choices)
A. new mutations can potentially spread
within a species, but not beyond it.
B. species can become extinct.
C. species give rise to other species.
D. changes in gene frequencies over time
can only be observed within species, not
within populations.
E. none of these
A,B,C
You might also like to view...
Broad-spectrum antibiotics have minimal effect on the normal microbiota
Indicate whether this statement is true or false.
What cause of infertility happens to nearly every woman at some point?
A. idiopathic infertility B. pelvic inflammatory disease (PID) C. endometriosis D. luteal phase defect E. aging
Beta thalassemia is caused by a
a. deletion. b. insertion. c. base-pair substitution. d. frameshift mutation. e. more than one of these
Identification of bacteria in the laboratory usually begins with the ________ for placement in one of two large groups of bacteria
A) Koch's stain B) Gram stain C) Pasteur fermentation test D) Petri stain E) Ehrlich magic test