2017-18 Biology A Chapter 1

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The one thing that changes between a control and experimental group is the

The process by which organisms keep everything inside their bodies balanced is called

Information gathered from observing a plant grow 3 cm over a two-week period is called

An experiment in which only one variable is changed is a(n) _____ experiment.

Scientists use explanations to understand patterns and make ___ about natural events.

A student sees a bee on a flower and wonders how the bee finds them. This student is displaying

The work of scientists usually begins with

The _________ group contains the independent variable.

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

A theory

What is measured during an experiment is called the

You observe and suggest that the presence of water could speed the growth of mold. This is

What are the smallest objects that biologists study?

Scientists will never know for sure why dinosaurs became extinct. Therefore, scientists should

Common ancestry between tree and ground finches represents which big idea in biology?

During a controlled experiment, a scientist isolates and tests

A scientific hypothesis

Which of the following is NOT a goal of science?

Science is best described as a

Science is always changing and never completely proves anything because of scientific ____ .

Cells in multicellular organisms are well differentiated. Cell specialization allows cells to

Which of the following best explains why birds fly south for the winter?

Which of the following in NOT a characteristic of all living things?

Science differs from other disciplines, such as history and the arts, because science relies on