PRACTICE Biology Semester 1 Final 2024

Front

What defines extinction?

Back

A species disappears.

Front

What is a testable explanation in scientific research?

Back

Hypothesis.

Front

What does a decrease in salmon population due to an increase in river temperature indicate?

Back

An abiotic factor affecting a biotic factor.

Front

What is the biosphere?

Back

The relatively thin layer of Earth and its atmosphere that supports life.

Front

What constitutes the basic structural organization of life?

Back

Cells that make up tissues and structures.

Front

What is biodiversity?

Back

The variety of life in the world or in a particular habitat or ecosystem.

Front

What is an ecosystem?

Back

A biological community of interacting organisms and their physical environment.

Front

What is a dependent variable?

Back

The variable that is measured in an experiment.

Front

What is an independent variable?

Back

The variable that is changed or controlled in a scientific experiment.

Front

What is genetic diversity?

Back

The total number of genetic characteristics in the genetic makeup of a species.