Chapter Questions
Which of the following is not a core concept of biology, as advocated by "Vision and Change"?a. Evolutionb. Information flow, cxchange, and storagec. Structure and functiond. TaxonomyPathways and transformation of energy and matter
Populations of organisms change over the course of many generations. Many of these changes are the result of greater reproductive success. This phenomenon isa. evolution.d. genetics.b, homeostasis.e. metabolism.c. development.
A biologist is studying the living onganisms in a valley in western Colorado. She is studyinga. an coosystemd. a viable land muss.b. a community.e. a population.c. the biosphere.
Which of the following is an example of horizontal gene transfer?a. the transmission of an eye color gene from father to daughterb. the transmission of a mutant gene causing cystic fibrosis from father to daughterc. the transmission of a gene conferring pathogenicity (the ability to cause disease) from one bacterial species to anotherd. the transmission of a gene conferring antibiotic resistance from a mother cell to its two daughter cellse. all of the above.
The scientific name for humans is Homo sapiens. The name Homo is the to which humans are classified.a. kingdomd. genusb. phylume. speciesc. order
The complete genetic makeup of an organism is called itsa. genus.d. genotype.b. genome.c. phenotype.c. proteome.
After observing certain desert plants in their native environment, a researcher proposes that they drop their leaves to conserve water. This is an example ofa a theory.d. a hypothesis.b. a law.e. an experiment.c. a prediction.
In science, a theory shoulda. be viewed as knowledge.b. be supported by a substantial body of evidence.c. provide the ability to make many correct predictions.d. do all of the above.e. b and c only.
Conducting research without a preconceived hypothesis is calleda discovery-based science.b. the scientific method.c. hypothesis testing.d. a control experiment.e. none of the above.
What is the purpose of using a control group in a scientific experiment?A. A control group allows the researcher to practice the experiment first before actually conducting it.b. A researcher can compare the results in the experimental group and control group to determine if a single variable is causing a particular outcome in the experimental group.c. A control group provides the framework. for the entire experiment so the researcher can recall the procedures that should be conducted.d. A control group allows the researcher to conduct other experimental changes without disturbing the original experiment.e. all of the above.