Cell Theory (A)

This is where all cells come from?

• free cell formation

• preexisting cells

• they appear from nowhere

• magic wizards

This is the smallest unit of life.

• cell

• atom

• piece of hair

• fingernail

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Please choose everything below that is made of cells.

• a rock

• a tiger

• a dog

• a cat

Tags

NGSS.MS-LS1-1

Please choose everything below that is made of cells.

• fish

• sea horse

• water

• pair of jeans

Tags

NGSS.MS-LS1-1

Please choose everything below that is made of cells.

• tree

• shark

• computer mouse

• dry erase marker

Tags

NGSS.MS-LS1-1

What question is this the answer to? Preexisting cells.

• What is the meaning of life?

• Where do all cells come from?

• What makes a living thing a living thing?

• How are living things classified?

What question is this the answer to? Cells.

• What is the tool used to identify organisms?

• What is an example of an external stimuli?

• What is the definition of homeostasis?

• What are all living things made of?

Tags

NGSS.MS-LS1-1

What did the scientist that discovered bacteria call them at first?

• teeny tinys

• animalcules

• small stuff

• micro-organisms

What is the smallest part of a human being that can be considered to be alive?

• an arm

• a cell

• an organ (ex. heart)

• an organ system (ex. digestive system)

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Why did Robert Hooke call them "cells?"

• His son was named "cells?"

• They looked like the small rooms that monks slept in called "cells."

• He was dating a girl name "cells" at the time.

• His dog was named "cells."