Exam 1: The Nature of Science and the Characteristics of Life

The directions for the specific genetic characteristics in all living things are functionally organized into discrete segments called genes;these genes are composed of ________.

Charles Darwin introduced the concept of adaptation,which he defined as features that

Which of the following actions is an example of conducting an experiment?

Modern life often masks the struggles that have characterized human life through much of its history.In the past,human survival was critically dependent on our ability to

When you call a telephone number,you are

The organs that constitute an organ system often work cooperatively to maintain homeostasis.

Hypotheses can be supported or rejected by experiments or,in some instances,by new observations.

Viruses cannot reproduce on their own;they do so by taking over the machinery that exists in the cells of the organisms they invade,whether those organisms are bacteria,plants,or animals.Vaccinations can provide lifelong protection against some diseases,but flu vaccines are rarely effective against the next year's flu virus.Which of the following statements is most likely to explain this fact?

Which of the following groups of organisms is NOT included in the domain Eukarya?

Which of the following ecological features would NOT be considered a component of an ecosystem?

Groups of different species that live and interact in a given area are referred to as a

Experimentation is the primary means that verifies or refutes the ________ made by a hypothesis.

Which of the following observations strengthens the hypothesis that a common ancestor gave rise to all living organisms?

Which of the following features is LEAST likely to be used to define a biome?

The observation that polar ice floes are thinning or melting much earlier each spring than they did 20 years ago is an example of a scientific ________.

Organisms that are classified as consumers capture their energy directly from the sun.

Which of the following questions could NOT be used to develop a testable hypothesis?

When experimental data verify a prediction,the hypothesis is considered proven.

The scientific method begins with ________.

Because the California sea lions that live along the Pacific Coast freely migrate and regularly interbreed with one another,biologists classify this group as a ________.