A population in which the allele and genotype frequencies do not change over time is said to be in:
a. genetic stasis.
b. allele balance.
c. genetic equilibrium.
d. population stability.
e. phenotype equilibrium.
c
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Species turnover on islands has been observed to be low. What does this suggest about succession on islands?
A. Facilitation is of minor importance on islands. B. The species that initially colonize islands are random. C. Succession on most islands proceeds in a relatively predictable manner. D. The dominant, more important species tend to go extinct during succession on islands.
Human and chimpanzee genomes share 96% DNA sequence identity. What most likely causes humans to be
phenotypically distinct from chimpanzees?
a. the presence of many new genes unique to humans b. a much larger human genome compared to the chimpanzee genome c. the loss of higher functioning genes in chimpanzees d. dramatic changes in chromosome structure and organization in humans e. small mutations in protein coding sequences and changes in regulatory units of human genes
Alh 84001
a. is a meteorite that shows possible evidence for life evolving on Mars. b. is the compound used by Miller to begin his experiment to produce amino acids. c. is the amino acid produced in the Miller experiment. d. is the molecule that controls the reproduction of DNA within a cell. e. is the molecule that acts as DNA's messenger that assembles proteins from amino acids.
The process of heating food, usually liquid, just enough to kill microbes without changing the food's basic qualities is termed ________
fermentation pasteurization respiration transformation