Chapter 1 Self Quiz Questions

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a communnity

All the organisms on your campus make up

an ecosystem.
a community.
a population.
an experimental group.
a taxonomic domain.

nervous system, brain, nervous tissue, nerve cell

Which of the following is a correct sequence of levels in life's hierarchy, proceeding downward from an individual animal?

brain, organ system, nerve cell, nervous tissue
organ system, nervous tissue, brain
organism, organ system, tissue, cell, organ
nervous system, brain, nervous tissue, nerve cell
organ system, tissue, molecule, cell

Poorly adapted individuals never produce offspring.

Which of the following is not an observation or inference on which Darwin's theory of natural selection is based?

Poorly adapted individuals never produce offspring.
There is heritable variation among individuals.
Because of overproduction of offspring, there is competition for limited resources.
Individuals whose inherited characteristics best fit them to the environment will generally produce more offspring.
A population can become adapted to its environment over time.

construct models of the behavior of entire biological systems.

Systems biology is mainly an attempt to

understand the integration of all levels of biological organization from molecules to the biosphere.
simplify complex problems by reducing the system into smaller, less complex units.
construct models of the behavior of entire biological systems.
build high-throughput machines for the rapid acquisition of biological data.
speed up the technological application of scientific knowledge.

protists have a membrane-bounded nucleus, which bacterial cells lack.

Protists and bacteria are grouped into different domains because

protists eat bacteria.
bacteria are not made of cells.
protists have a membrane-bounded nucleus, which bacterial cells lack.
bacteria decompose protists.
protists are photosynthetic.

the structure and function of DNA

Which of the following best demonstrates the unity among all organisms?

matching DNA nucleotide sequences
descent with modification
the structure and function of DNA
natural selection
emergent properties

The fish swam in a zig-zag motion.

Which of the following is an example of qualitative data?

The temperature decreased from 20°C to 15°C.
The plant's height is 25 centimeters (cm).
The fish swam in a zig-zag motion.
The six pairs of robins hatched an average of three chicks.
The contents of the stomach are mixed every 20 seconds.

If my hypothesis is correct, I can expect certain test results.

Which of the following best describes the logic of hypothesis based science?

If I generate a testable hypothesis, tests and observations will support it.
If my prediction is correct, it will lead to a testable hypothesis.
If my observations are accurate, they will support my hypothesis.
If my hypothesis is correct, I can expect certain test results.
If my experiments are set up right, they will lead to a testable hypothesis.

may include experimental groups and control groups tested in parallel.

A controlled experiment is one that

proceeds slowly enough that a scientist can make careful records of the results.
may include experimental groups and control groups tested in parallel.
is repeated many times to make sure the results are accurate.
keeps all environmental variables constant.
is supervised by an experienced scientist.

Hypotheses usually are relatively narrow in scope; theories have broad explanatory power.

Which of the following statements best distinguishes hypotheses from theories in science?

Theories are hypotheses that have been proved.
Hypotheses are guesses; theories are correct answers.
Hypotheses usually are relatively narrow in scope; theories have broad explanatory power.
Hypotheses and theories are essentially the same thing.
Theories are proved true in all cases; hypotheses are usually falsified by tests.

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