Semester Review Chapters 1-6

Front

What is the pH of a neutral solution and most cells in the human body?

Back

7

Front

Which statement best explains why the shape of teeth differs according to the diet of a species?

Back

Structure and function are related in biology.

Front

How do mitochondria contribute to the overall function of a cell?

Back

By producing energy.

Front

A beneficial inherited trait that is passed on to future generations is a(n) __________.

Back

adaptation.

Front

What is a solution?

Back

A homogeneous mixture made of a solvent and solute.

Front

What is the role of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions.

Front

Define homeostasis.

Back

The process by which organisms maintain a stable internal environment.

Front

What is the function of the cell membrane?

Back

To protect the cell and regulate what enters and leaves.

Front

What is an ecosystem?

Back

A community of living organisms and their interactions with the environment.

Front

What is the difference between a hypothesis and a theory?

Back

A hypothesis is a testable prediction, while a theory is a well-substantiated explanation.