Lesson1 Exploring Life

Poll

which friend you most agree with?

• Eli

• Tory

• Kelly

• DeAndre

Multiple Choice

The smallest unit of life is the _____.

• atom
• cell
• molecule
• organism

Multiple Choice

The cell theory is the result of the hypothesis and observation of one person.

• False
• True

Multiple Choice

Which of the following is a multicellular organism?

• bacterium

• amoeba

• mouse

• paramecium

Multiple Choice

Animals are multicellular.

• True

• False

Multiple Choice

The smallest unit of life is the _____.

• It is made up of cells.

• It eats food to get energy.

• It grows and develops.

• It responds to stimuli

Multiple Choice

Which correctly describes a difference between prokaryotic and eukaryotic cells?

• Only prokaryotic cells have vacuoles.

• Eukaryotic cells are smaller than prokaryotic cells.

• Prokaryotic cells have many organelles, each with their own specialized functions.

• Only eukaryotic cells have their genetic material surrounded by a lining.

Multiple Choice

Which statement is true?

• Cells come in different shapes, but are all about the same size—very, very small.

• Cells come in different shapes and sizes.

• Cells all have the same shape, but come in different sizes.

• Cells are all the same shape and size—small and rounded.