8th Grade Language Arts

Cell: The Basic Unit of Life

Chapter 1.1 Quiz
(20 points)

Multiple Choice

A cell is

• a living thing

• the smallest unit of life

• an animal

• a plant

Draw

Draw a living thing.

Review

• Living things are different from non-living things

• There are 8 characteristics of all living things

• Vocabulary: unicellular, multicellular, microscope, cell theory, bacteria

• Cell Theory is summarized in 3 parts: every cell has a (J)ob, all (L)iving things are made of cells, and cells can only come from (O)ther cells...  JLO!

Multiple Choice

How many parts are there in Cell Theory?

• 4

• 2

• 3

• 1

Multiple Choice

Organisms that are unicellular have

• two cells

• more than 3 cells

• one cell

• have a cell phone

Homeostasis

The human body functions optimally ata body temperature of around 98.7°F. If you get too hot,perhaps from working out, you begin to sweat. Theevaporation of sweat from your body helps to cool it down.Conversely, if you get too cold you start to shiver.

Multiple Choice

A human body is at its most comfortable temperature at

• 58.7° F

• 98.7° F

• 108.5° F

• 78.2° F

Multiple Choice

An organism that is multicellular

• has no cells

• knows multiplication

• has one cell

• has many cells

Multiple Choice

Which is an example of a multicellular organism?

• germ

• lion

• yeast

• bacteria

Multiple Select

Check all of the choices that are characteristics of living things:

• Can walk

• Can reproduce

• Has DNA

• Use energy

• Can think

Multiple Choice

All are examples of living things except

• penguin

• apple tree

• fire

• bacteria

A microscope is an instrumehelps make an object appear larger

Multiple Choice

I need a microscope to help me see

• the television

• the stars in the sky

• cells

• ants on the floor

Why are cells important for life

• The Cell Theory describes 3 reasons:

• Cells have very important jobs (for example, fat cells  provide energy)

• Every living thing has one or more cells

• Cells come only from other living cells

Multiple Choice

All are part of the Cell Theory except:

• All living things are made of cells

• All cells are round

• All cells have a job

• Cells can only come from other cells

Multiple Choice

Bacteria are

• unicellular

• multicellular

Multiple Choice

A characteristic of all living things is that an organism:

• feels pain

• needs sleep

• grows and develops

• can run

Open Ended

In exactly 10 words, write one sentence about cells.