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8 Cards in this Set

  • Front
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D. Habituation

A baby duck runs for cover when a large object is tossed over its head. After this object is repeatedly passed overhead, the duck learns there us no danger and stops running for cover mwhen the same object appears again. This is an example of


A. Imprinting


B. Fixed-Action Pattern


C. Agonistic Behavior


D. Habituation

A. Directional selection

In a population of giraffes, an environmental change occurs that favors individuals that are tallest. As a result, more of the taller individuals are able to obtain nutrients to survive to pass along their genetic information. This is an example of


A. Directional selection


B. Stabilizing selection


C. Sexual selection


D. Disruptive selection

A. Allopatric speciation

The relatives of a group of pelicans from the same species that seperate from each other because of a unsuccessful migration are reunited 150 years later and find that they are unable to produce offspring. This is an example of


A. Allopatric speciation


B. Sympatric speciation


C. Genetic drift


D. Gene flow


E. Natural selection

D. Plasmolysis

A cell is placed into a hypertonic environment and it's cytoplasm shrivels up. This demonstrates the principle of


A. Diffusion


B. Active transport


C. Facilitated diffusion


D. Plasmolysis

C. Destruction of the ozone layer

Which of the following is a biotic factor that could affect the growth rate of a population?


A. Volcanic eruption


B. Glacier melting


C. Destruction of the ozone layer


D. Sudden reduction in the animal food resource

A. Translation

Which of the following is not a way to form recombinant DNA?


A. Translation


B. Conjugation


C. Specialized transduction


D. Transformation

D. I and III

Chemiosmosis occurs in


I. Mitochondria


II. Nuclei


III. Chloroplasts


A. I only


B. II only


C. III only


D. I and III

B. Endosymbiotic model

Which of the following theories is based on the notion that mitochondria and chloroplasts evolved from prokaryotic cells?


A. Fluid mosaic model


B. Endosymbiotic model


C. Taxonomic model


D. Respiration feedback model