Male fish that display a bright blue color attract more mates as well as more predators. Maintaining that blue gene in the population is an example of
A) the founder effect.
B) coevolution.
C) genetic drift.
D) sexual selection.
E) a population bottleneck.
D
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Which cell is classified as an agranulocyte?
a. monocytes b. platelets c. basophils d. neutrophils e. eosinophils
Effects of bacterial exposure may lead to disease in the host. Place the following occurrences in the proper sequence or order.
A) disease, infection, contact B) contact, disease, infection C) contact, infection, disease D) infection, contact, disease
Cranial nerves innervate the muscles above which structure?
A. Atlas B. Hyoid Bone C. Larynx D. Thymus E. Thyroid Cartilage
Since all living things contain DNA, how can there be so many kinds of living organisms and not just one?
A) all species have the same DNA, but each uses only those sections appropriate for the species B) the order of the bases is unique, not only for each species but for almost every individual as well C) all living things have the same DNA but make variable RNAs when producing the proteins that make each species unique D) different species read or decode the nucleotide sequence in different ways E) this remains one of the great unanswered questions in biology