Life Science S1 Midterm Review-OL

Front

What is the characteristic of living things that explains why humans sweat when they get hot?

Back

Maintaining a stable internal environment.

Front

Which organelle is abundant in human liver and muscle cells due to their high energy requirements?

Back

Mitochondria.

Front

What happens to a grape placed in a highly concentrated sugar solution?

Back

Water would leave the grape causing it to shrink.

Front

What should a student do first if they catch on fire?

Back

Tell the teacher.

Front

In an experiment comparing test grades based on chair color, what is the independent variable?

Back

Color of chair.

Front

Define homeostasis in living organisms.

Back

The ability to maintain a stable internal environment despite external changes.

Front

What is the function of mitochondria in cells?

Back

To produce energy through cellular respiration.

Front

Explain osmosis in simple terms.

Back

The movement of water across a semipermeable membrane from an area of low solute concentration to an area of high solute concentration.

Front

What is the role of ribosomes in a cell?

Back

To synthesize proteins.

Front

Define the term 'independent variable' in an experiment.

Back

The variable that is changed or controlled to test its effects on the dependent variable.