Cell Theory

Select all of the parts of the cell theory:

• living things are composed of one or more cells

• New cells arise from pre-existing cells

• Cells must have a nucleus

• Cells are the basic units of structure and function of all living things

A ___________ can be supported, modified, or rejected based on collected data

• Theory

• Law

• Hypothesis

• Prediction

Tags

NGSS.HS-PS4-3

This scientist observed tiny living organisms in drops of pond water through a simple microscope

• Matthias Schleiden

• Anton van Leeuwenhoek

• Rudolph Virchow

• Robert Hooke

Tags

NGSS.MS-LS1-1

What was Robert Hooke's contribution to the cell theory?

• He stated that all cells come from existing cells

• He was the first to observe and describe microorganisms

• He said that all animals are made of cells

• He looked at cork cells with an early microscope and called the chambers that he saw "cells"

A law is....

• a statement of fact meant to describe, in concise terms, an action

• subject to change as new evident becomes available

• a tentative explanation that accounts for a set of facts and can be tested by further investigation

• generally accepted to be true and universal

Tags

NGSS.HS-PS2-1

This scientist concluded "all plants are made of cells!"

• Virchow

• Schleiden

• Hooke

• Schwann

Tags

NGSS.MS-LS1-1

These scientists directly contributed to the "all organisms are composed of cells" portion of the cell theory

• Leeuwenhoek

• Schleiden

• Virchow

• Schwann

Who was the spectacle/glasses maker from the Netherlands who lived in the early 1600's?

• Hooke

• Schleiden

• Jansen

• Virchow

This German botanist (studied plants) lived in the 1800's

• Theodor Schwann

• Robert Hooke

• Rudolph Virchow

• Matthias Schleiden