Cell Theory History and Characteristics of Life

A group of similar cells that come together to perform a specific function is a/an

• organ

• organism

• organ system

• tissue

Tags

NGSS.MS-LS1-3

Which scientist looked at dental scrapings & pond water and called the single-celled organisms "animalcules"?

• Van Leeuwenhoek

• Hooke

• Pasteur 

• Virchow

Choose the 3 answer choices that are part of the cell theory.

• All living things are made of one or more cells.

• Cells are the basic unit of structure and function in living things.

• All cells come from other cells.

• Only bacteria is made of cells

Tags

NGSS.MS-LS1-1

Who was the scientist to use the early compound microscope to look at cork slices and coined the term ‘cell’ to describe the tissue.

• Hans & Zacharias Jansen

• Robert Hooke

• Gregor Mendel

• Francis Crick & James Watson

Who was the scientist to state that all animal tissues are made of cells, adding to the Cell Theory that the cell is basic unit of ALL life.

• Matthias Schleiden

• Robert Hooke

• Gregor Mendel

• Theodore Schwann

Who was the scientist to state that all plant tissues are composed of cells and that cell is basic building block of all plants.

• Matthias Schleiden

• Robert Hooke

• Gregor Mendel

• Theodore Schwann

The invention of the ___ made it possible for scientist to view and study the cell.

• blow horn

• microscope

• slides

• telescope

Who was the scientist to describe cells in a drop of pond water; first person to observe bacteria and protozoa.

• Matthias Schleiden

• Anton van Leeuvenhoek

• Francisco Redi

• Theodore Schwann

The oldest clear evidence of life, microfossils in ancient rock, are 3.5 billion years old. What type of cell known today is most similar to the cell found in these microfossils?

• bacteria

• hydra

• paramecium

• virus

Tags

NGSS.MS-LS1-1

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Who proposed that all cells arise from pre-existing cells, completing the classical cell theory?

• A) Rudolf Virchow

• B) Louis Pasteur

• C) Robert Hooke

• D) Anton van Leeuwenhoek