College Bio- Chap 1 Flashcards

An explanation for a general class of phenomena that is supported by a wide body of evidence.

1. Cells (membrane-bound) 2. Replication (can reproduce) 3. Evolution (populations are continually evolving) 4. Information (process hereditary information encoded in genes) 5. Energy (Acquire and use energy)

A testable statement that explains a set of observations.

A measurable or observable result of an experiment based on a hypothesis.

The theory that all organisms are made of cells and that all cells come from preexisting cells.

A highly organized compartment bounded by a plasma membrane containing concentrated chemicals in an aqueous solution.

Hypothesis stating that life could arise from nonliving matter.

Change in a population's characteristics over time.

How evolution occurs: 1. Individuals must vary in characteristics that are heritable. 2. Certain versions of heritable traits help individuals reproduce more than other versions.

Referring to traits that can be passed from one generation to the next.