Evolution of Populations, Biodiversity, and Classification

Which answer best describes macroevolution?

• Largest-scale evolutionary changes via speciation or extiniction that occur over time
• A scientist who classifies organisms into groups and makes a hypothesis on whether they are a different species based on the evidence
• Identification of species by differences in their appearances
• AP biological trait evolves in two unrelated species as a result of exposure to similar environments

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The death of every member of a species

• The flu
• epidemic
• extinct
• population

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The idea that evolution seems to occur in spurts of time.

• stabilizing selection
• directional selection
• disruptive selection
• puntuated equilibrium

Sharks and dolphins both have streamlined bodies that allow them to move through water efficiently, this is an example of which type of evolution?

• Divergent
• Coevolution
• Convergent
• Artificial

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 What type of evolution is demonstrated in this photo?

• Coevolution
• Convergent evolution
• Punctuated evolution
• Gradualistic evolution

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Cichlid fishes in lakes of the East African Rift. The lakes in this area are believed to support and sustain about 2,000 different species of these fish, each with different ecological and morphological characteristics such as body size. These lakes form a fragmented landscape that bio-geographically isolates the different species of cichlid fish from one another, allowing them, and many of the organisms they live with, to evolve separately.

• Phyletic Speciation

• Adaptive Radiation

• Convergent Evoltion

• Co-evolution

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The three species pictured share a common ancestor and have adapted so that each lives in a different environment. This is an example of

• Law of Superposition

• Evolutionary Arms Race

• Divergent Evolution

• Convergent Evolution

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Evolution occurring gradually and slowly over long periods of time

• Homeostasis

• Stasis

• Punctuated Equilibrium

• Gradualism

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Gene pool

• Total number of alleles of the genes that are present in a population of a particular species of organism at a given time

• The condition of a population in which allele and genotype frequencies remain constant from one generation to the next

• The number of phenotypes present in a population of a species at a given time

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Any change in the sequence of DNA is...

• transgenic shift
• Single Genotype
• Monohybrid Trait
• Mutation

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