The evolutionary explanations for behavior are called the
A) fixed action patterns.
B) sensitive period.
C) proximal causes.
D) ultimate causes.
Answer: D
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At the genetic level, evolution is
A. a change in fitness over time. B. a population change over time. C. a change in the frequency of an allele or genotype over time. D. an increase in fitness over time. E. natural selection.
The productivity and area hypotheses together suggest that a large, tropical continent would likely have __________ species richness.
A. low B. mature C. poor D. cyclical E. high
Which of the following is true of cardiac muscle?
A. Cardiac muscle tissue has both an intracellular and extracellular source of Ca++. B. Cardiac muscle tissue has slow Ca++ voltage gates in the membrane that make cardiac muscle incapable of tetanus. C. In cardiac muscle tissue, excitation spreads from cell to cell via intercalated disks. D. Cardiac muscle tissue does not require nerve activity to stimulate a contraction. E. All of these are true of cardiac muscle.
The asexual reproductive spores produced at the tips of hyphae and not enclosed in a sac are (conidiospores/ascospores/sporangiospores)
What will be an ideal response?