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Biology chapter 16
Terms in this set (25)
A vestigial structure in one organism can be defined as a reduced form of a functional structure in another organism.
Natural selection is based on the concepts of excess reproduction, variation, inheritance, and the advantages of certain traits.
Darwin developed his theory on evolution exclusively from his work on thr Galapagos Islands.
According to Darwin, the process of natural selection could result in a new kingdom of organisms.
Fossils, although interesting, do not actually provide evidence of evolution
Homologous structures indicate a shared ancestry, while vestigial structures do not
Biochemical traits helped Darwin unravel his theory of evolution
Biogeography is the study of why certain species live in certain areas
The Hardy-Weinberg principle describes the conditios within which evolution definitely occurs.
A. Camouflage in a tree frog
Which answer best shows an example of an animal's adaptation to the tropical rain forest?
B. Small population, many mutations
Which combination of characteristics in a population would provide the greatest potential for evolutionary change?
D. Directional Selection
Based on the information shown in the graph, what form of selection is the snail population undergoing?
What type of adaptation is shown in Figure 15-2?
Which term best describes the structures shown in Figure 15-3?
C. Natural selection is one mechanism of evolution
Which of the following is a correct statement about the relationship between natural selection and evolution?
A. They show that ancient species share similarities with speciess now on Earth
How do fossils demonstrate evidence of evolution?
D. Derived traits are recent features; ancestral traits are more primitive features
Which of the following is an accurate comparison of derived traits and ancestral traits?
D. Homologous structures indicate a common ancestor
Which of the following is the explanation of why bird wings and reptile forelegs are evidence of evolution?
Superficially similar features molded by natural selection in very different species are classified as what kind of structures?
B. Hardy-Weinberg principle
When allelic frequencies remian unchanged, a population is in genetic equilibrium. This statement expresses which of the following?
A population diverges and becomes reproductively isolated. Which of the following is the best description of the phenomenon?
C. Sympatric speciation
What is the term describing the process that occurs when a species evolves into a new species without a physical barrier separating populations?
C. Adaptive Radiation
If a species is suddenly introduced into a new habitat, what might occur?
C. Human hemoglobin is more similar to chimp hemoglobin than mouse hemoglobin
Which of the following is a biochemical evidence for evolution?
C. Adaptive Radiation
What are the silverswords an example of?
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