8th grade 1st sem final review

Front

What is the scientific name for a firefly?

Back

Photinus pyralis.

Front

In which country can Photinus pyralis be found?

Back

All of these (Australia, United States, Germany).

Front

What is the passive transport of water across a membrane called?

Back

Osmosis.

Front

What organelle is present in plant cells but not in animal cells?

Back

Cell wall.

Front

What are the two parts of a scientific name?

Back

Genus and species.

Front

What is the variable in an experiment that the scientist changes?

Back

Independent variable.

Front

What is the role of the dependent variable in an experiment?

Back

It is the variable that is measured or observed.

Front

What is a constant in an experiment?

Back

A variable that remains unchanged throughout the experiment.

Front

What is the purpose of a control group in an experiment?

Back

To provide a baseline for comparison.

Front

What is the difference between active transport and passive transport?

Back

Active transport requires energy, while passive transport does not.