Study Guide-Uni and Multi

How can a paramecium carry out all of life's functions?

• by having specialized cells

• by being larger than most cells

• by performing all processes in one cell

Which is the correct order of cellular organization from least to most complex?

• cell, tissue, organ, organ system, organism

• tissue, cell, organ, organ system, organism

• cell, organ, tissue, organ system, organism

What accurately explains how an organism is capable for survival?

• an earthworm can survive by using its long, straight transport system even though it is single celled

• a fish can exist if it lives in a group with many organisms even though it is single celled

• an amoeba can preform all of life's processes even though it is single celled

What best explains why humans need many cells to survive?

• each individual cell is too small to function alone

• each cell joins different cells to form one massive cell

• each cell works with other cells to perform all necessary life functions

Which statement best describes a bacterial cell?

• it is a complete organism

• it contains different kind of cells

• it contains more than one cell

A scientist is trying to describe whether an organism is unicellular or multicellular. Which information would help the scientist most with her decision?

• the size of the cells of the organism

• what the organism eats

• how many types of cells are in the organism

Which is an example of a single celled organism?

• amoeba

• insect

• worm

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

• both perform all life processes within one cell

• both have a way to get rid of waste materials

• both have cells with specialized functions for each life process

In what what are humans and bacteria the same?

• both are multicellular organisms

• both are living things

• both are nonliving things

Which of the following states the difference between single- celled and multi-celled organisms?

• single-celled organisms do not have organs while multi-celled organisms have organs.

• single-celled organisms are dead while multi-celled organisms are alive.

• multi-celled organisms are made up of cells performing the same function while single-celled organisms are not.