Biology 101 Chapter 1 Study Guide

Science is:

The inquiry-based effort to describe and explain nature.

Biology is:

The study of life.

How do hypotheses differ from theories?

Theories are more comprehensive than hypotheses.

A study may be pseudoscience if:

The evidence is anecdotal.

Suppose a scientist wanted to determine if a substance retrieved from outer space is alive. Which of these properties of the substance would NOT help her make that determination?

Being multicolored.

Which structure can perform all the activities required for life?

Cells

Which sequence shows the steps of the process of science in an order in which they might occur?

Exploration, question, hypothesis, prediction, experiment.

Which statement is a valid scientific hypothesis?

Humans and bacteria share a common genetic code.

You may try to start your car, but it does not start. Which of these is a prediction?

If I recharge the battery, then my car will start.

Which function is NOT a property of life?

Populations of organisms rarely change over time.

A hypothesis is an:

Proposed explanation for a set of observations.

Which of these statements is correct?

Scientific ideas are subjected to repeated testing.

A reliable source about the usefulness of an herbal supplement is likely to be recognizable by all but one of these characteristics.

The authors are employed by the manufacturer of the supplement.