An organ, such as the liver, is composed of _. (Activity: The Levels of
Life Card Game)
Organs are composed of two or more different types of tissues.
Which of these is an organ system? (Activity: The Levels of Life Card
Ecology is a component of modern biology that is helping us
_. (see book section: Biology and Society: Biology All Around
evaluate environmental issues
Correct. It may even help provide answers about the important study of
What is the atomic number of an atom that has 6 protons, 6 neutrons, and
6 electrons? (Activity: Structure of the Atomic Nucleus)
This is an atom of carbon, an element with 6 protons. Atomic number is the
number of protons in a
How do these hydrocarbons differ? (Activity: Diversity of Carbon-Based
One of these hydrocarbons is longer than the other.
The hydrocarbon on the right is longer than the hydrocarbon on the left.
How do these hydroc