PMA 2 Review

Front

What is homeostasis?

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.

Front

What are the consequences of failing to maintain homeostasis?

Back

Failure to maintain homeostasis can lead to a lack of internal balance, difficulty in metabolism, and eventually death.

Front

What is the nucleus of an atom?

Back

The nucleus is the central region of an atom that contains protons and neutrons.

Front

What are neutrons?

Back

Neutrons are particles in an atom that have no charge and are found in the nucleus.

Front

What is the Law of Universal Gravitation?

Back

The Law of Universal Gravitation states that the force of gravity between two objects depends on their masses and the distance between them.

Front

How does the mass of a planet affect its gravitational relationship with the Sun?

Back

The gravitational relationship between the Sun and a planet varies because planets have different masses.

Front

What is biological organization?

Back

Biological organization refers to the hierarchical structure of living organisms, ranging from cells to organisms.

Front

List the levels of biological organization from least complex to most complex.

Back

Cell, tissue, organ, organ system, organism.

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What is the electron cloud?

Back

The electron cloud is the region surrounding the nucleus of an atom where electrons are likely to be found.