Which process results in microevolution without any form of natural selection?
a. genetic drift
b. mutation
c. development of new characteristics during an individual's lifetime
d. genetic variation
e. nonrandom mating
A
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It could be said that today's Australian marsupials and today's placental mammals have
A. undergone divergent evolution. B. undergone selective advantage. C. undergone heterozygote advantage. D. undergone convergent evolution. E. developed homologous structures.
Parental care of the young is usually associated with species with a Type ___ survivorship curve.
A. I B. II C. III D. I or II (depending on the sex ratio) E. I or III (depending on whether the reproductive strategy is iteroparous or semelparous)
Place each of the following terms with the correct statement.
coevolution defensive coloration camouflage secondary chemical compounds Batesian mimicry 1. Organisms that possess this property are poisonous, sting, or are otherwise harmful; commonly black, yellow, and red in color. 2. Is the process by which different kinds of organisms adjust to one another by genetic change over long periods of time. 3. It is a situation in which a palatable organism resembles another kind of organism that is distasteful or toxic. 4. Adaptation that enables organisms to blend into their environment thereby avoiding predation. 5. Chemical compounds produced by plants that are not components of major metabolic pathways.
Ringworm is a type I hypersensitivity response to fungus spores
Indicate whether the statement is true or false