The first, innermost energy shell of an atom
A. can have a maximum of 8 electrons.
B. can have a maximum of 2 electrons.
C. is called the 2p orbital.
D. is called the 1s orbital and can have a maximum of 8 electrons.
E. is called the 2p orbital and can have a maximum of 2 electrons.
B. can have a maximum of 2 electrons.
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Heritability of a trait applies only to its variation in a particular population across the range of environments that exist for that population at a given time
A. true B. false
Four of the five answers are traits that influence the life history pattern of a living organism. Select the exception
a. The age at which the organism begins to reproduce b. How often the organism reproduces. c. The number of offspring produced per reproductive event d. The length of the reproductive stage e. Natural disasters that influence survivorship
Metabolic pathways that regenerate their starting molecule are called ________ pathways.
A. cyclic B. convergent C. divergent D. linear E. bidirectional
Large ears is a rare trait in a mainland population of mice. A female mouse homozygous for very large ears sneaks onto a boat and arrives at an island that already contains mice. This mixing will lead to a population with a higher incidence of big ears than the mainland population because ofÂ
A. genetic drift. B. gene flow. C. natural selection. D. increased mutation. E. a bottleneck effect.