Biology Chapter 1

Quantitative data

Are numerical values obtained by counting or measuring

The work of science usually begins with

Careful observations

Biologists who work in the fields of molecular biology study

DNA and heredity

Info gathered from a observing baby grow over a two week period is called

Data

Suppose that a scientist proposes a hypothesis about a newly discovered parasite that infects humans. Other parasite researchers would likely

Design new experiments to test the proposed hypothesis

Science is best described as a way of

Knowing

What are the smallest objects that biologists study?

Molecules

In science, a theory is a well-tested explanation that explains a lot of

Observations

In science, a theory is well-tested and explains a lot of

Observations

During a controlled experiment, a scientist isolates and tests

One single variable

What does cell specialization allow them to do?

Preform different functions

A well-tested explanation that explains a lot of observations is called a

Theory