Semester 1 Finals Review Section 1

Front

What is a theory?

Back

A theory is open to being changed.

Front

What is passive transport?

Back

Passive transport is the movement of particles from high to low concentration.

Front

Why do some North American birds fly south for the winter?

Back

They adapt to their environment.

Front

What is cell specialization?

Back

Cell specialization allows cells to do different jobs.

Front

How many covalent bonds can a carbon atom form?

Back

A carbon atom can form 4 covalent bonds.

Front

What is the role of valence electrons in bonding?

Back

Valence electrons are involved in forming covalent bonds.

Front

Define homeostasis.

Back

Homeostasis is the ability of an organism to maintain a stable internal environment.

Front

What is active transport?

Back

Active transport is the movement of particles against their concentration gradient, requiring energy.

Front

What is DNA?

Back

DNA is the molecule that carries genetic information in living organisms.

Front

What does it mean for an organism to grow and develop?

Back

It means that the organism undergoes changes and increases in size and complexity over time.