Emigration happens when individuals move a population, while immigration happens when individuals move a population.
A. by extrapolation towards; by dispersion from
B. by dispersion through; by extrapolation at the periphery of
C. out of; into
D. due to environmental resistance within; due to carrying capacity within
E. into; out of
C. out of; into
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How does the Tax protein contribute to the increased growth rate of white blood cells?
a. It stabilizes the CREB dimers that bind to the CRE DNA sequence. b. It inhibits the ability of CREB to bind to DNA. c. It phosphorylates the CREB activator protein. d. It allows CREB to bind the CRE-like viral enhancer. e. It stimulates the production of cAMP in a cell.
Which of these best describes Type III survivorship?
A) There is high survivorship for the very young. B) Most individuals survive to older age intervals. C) Survivorship is constant over the lifespan. D) Survivorship is high for the few individuals that survive to a certain age.
Genotypic and allele frequencies for a gene that determines neck length in giraffes are measured and found to be identical in three successive generations. From this data it is reasonable to conclude that, with respect to the gene for neck length, the population is in Hardy-Weinberg equilibrium.
a. true b. false
A ________ plasma membrane allows water but not solutes to pass through it
Fill in the blank(s) with correct word