The non-adaptive mechanisms of evolutionary change are:
A. migration (gene flow), mutation, and
genetic drift.
B. migration (gene flow), balancing selection,
and genetic drift.
C. migration (gene flow), sexual selection,
and genetic drift.
D. mutation, sexual selection, and genetic
drift.
E. mutation, genetic drift, and heterozygote
advantage.
A
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Phytoestrogens in plants ____
a. increase the production of megaspores b. function in the production of eggs c. increase the speed at which pollen tubes reach the egg d. aid in the nuclear fusion of egg and sperm e. have nothing to do with plant reproduction
Which nucleotide readily transfers phosphates to
other molecules making them more reactive? a. cyclic AMP b. FAD c. NAD+ d. ATP e. all of these
Members of phylum __________ are the most primitive of the fungi and were previously classified as
protists. a. Chytridiomycota b. Zygomycota c. Glomeromycota d. Ascomycota e. Basidiomycota
Which one of the following is TRUE regarding skin?
A) Beneath the dermis is the basement membrane, which separates the dermis from the hypodermis. B) Keratin is a protein in the cells of the epidermis that provides strength and waterproofing. C) Melanocytes and keratinocytes are two skin cell types that are prevalent in the dermis. D) The sebaceous glands and the sweat glands are two types of endocrine glands located in the dermis. E) Melanocytes produce calcium, which strengthens the skin.