Ch. 15 Biology Test Review

What biological adaptation would occur if the bark on the trees shown became spotted?

Darwin developed his theory of evolution exclusively from his work on the Galapagos Islands.

more primitive features, such as teeth and tails, that do appear in ancestral forms.

A population diverges and becomes reproductively isolated. What is this?

A vestigial structure in one organism can be defined as a reduced form in another organism.

Which is a correct statement about the relationship between natural selection and evolution?

Which type of natural selection shown in Figure 15-4 favors average individuals?

Which is the definition of evolution?

this form of reproductive isolation prevents reproduction by making fertilization unlikely

50 humans isolated themselves on an island their genes after generations would be determined by

Describe the Theory of Natural Selection, you may quote Darwin.

Vertebrate embryos exhibit analogous structures during phases of development

Fossils, although interesting, do not actually provide evidence of evolution.

similar features molded by natural selection in very different species are?

Which term best describes the structures shown in Figure 15-3?

morphological adaptation where a species evolves to resemble another species.

What factor increases the likelihood that some members will survive when conditions change?

when unrelated species living in different parts of the world evolve similar traits

What type of adaptation is shown in Figure 15-2?

occurs when populations evolve separately but are not divided by a physical barrier.

Why are the structures shown considered to be homologous?

Which bird trait is an example of a derived trait?

at least one species of resistant bacteria has developed for every antibiotic is evidence for?

cheetahs have dropped in pop, rebounded in number to create a pop. of similar genetic animals.

Which answer best shows an animal's adaptation to the tropical rain forest?

The human appendix is an example of which type of structure?