Science: Cells

What is an Organism?

• Living thing that can carry out life processes independently

• A nonliving thing that can, somehow, move by itself

• A chicken is not an organism...

• Organism is not a word!

What is an example of an organism?

• Rock

• Dead log

• Humans

• The SKY

What is a cell, in biology?

• The smallest unit that can perform all life processes; cells are covered by membranes

• When you give something to another person, in exchange for money

• an organism that contains a single cell

• Cell is not a word

How many cells do unicellular organisms have?

• 1

• 0

• Two or more

• Unicellular organisms aren’t even things!

What is an example of a unicellular organism?

• Bacteria

• Humans

• Parameciums

• God

What are multicellular organisms?

• Organisms that contain two or more cells

• The smallest unit that can perform all life processes

• Organisms that consist of a single cell

• A trash can

What are examples of multicellular organisms?

• YOU

• Germs

• Parameciums

• Harambe(RIP)

What is true about cell division?

• All cells have been produced/come from other cells

• Cells divide to replace weak or dead cells

• They only divide when a person or organism is hurt and needs to recover a wound

• They don't divide; they are made through the brain

What are the three parts of cell theory?

• All living organisms are composed of one or more cells

• Cells are the building blocks of life

• All cells come only from existing cells

• Atoms are the building blocks of life

Are we able to see cells with our naked eye?

• No

• Yes