CW 20: Cell Theory Practice

Which is an example of a single-celled organism?

• Amoeba

• Insect

• Fish

• Worm

Why do multicellular organisms need transport systems?

• Most have cells that are not able to exchange gases with the outside environment.

• Most have cells that are unable to grow and survive in their environment.

• Most have cells that need food from sources outside their environment.

• Most have cells that require more energy to survive than single-celled organisms.

Which statement best describes a bacterial cell?

• It contains more than one cell.

• It is a complete organism.

• It is part of a larger organism.

• It contains different kinds of cells.

Which characteristic do single-celled organisms and multicellular organisms have in common?

• Both have cells with specialized functions for each life process.

• Both perform all life processes within one cell.

• Both have a way to get rid of waste materials.

• Both are able to make food from sunlight.

Which is the smallest part of a mouse that can get rid of wastes?

• Atom

• Element

• Ssytem

• Cell

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which best compares bacteria and sharks?

• Bacteria are unicellular, and sharks are multicellular

• Bacteria are multicellular, and sharks are unicellular

• Bacteria have a transport systems, while sharks do not

• Bacteria reproduce, while sharks do not

Tags

NGSS.MS-LS1-1

Molds are group of single-celled fungi. Which best describes how molds remove wastes?

• by using tubes to carry them

• by using sunlight to destroy them

• by moving them directly to their surroundings

• by using body systems to remove them

Which kind of cell can survive on its own as an organism?

• Muscle

• Red blood

• Bone

• Amoeba

In which way is a nerve cell in a human different from a bacterial cell?

• The nerve cell works alone, and the bacterial cell works in group

• The nerve cell has one specific job, and the bacterial cell has many

• The nerve cell contains tiny structures, and the bacterial cell does not

• The nerve cell is a unicellular organism, and the bacterial cell is not.

In which way is a nerve cell in a human different from a bacterial cell?

• The nerve cell works alone, and the bacterial cell works in group

• The nerve cell has one specific job, and the bacterial cell has many

• The nerve cell contains tiny structures, and the bacterial cell does not

• The nerve cell is a unicellular organism, and the bacterial cell is not.