Cell Theory and Microscope Assessment Review

Which historical event most directly contributed to the development of the cell theory?

• The discovery and classification of thousands of species of organisms.

• The development of microscopes and higher powered lenses.

• The development of theories of natural selection on evolution of organisms.

• The discovery that DNA is the genetic material

The smallest unit that can carry out ALL activities associated with life is —

• a tissue

• the cell

• the atom

• the organelle

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

According to the cell theory —

• all organisms are composed of tissues

• animals are composed of cells, but plants are not

• the smallest unit of life is an atom

• All living things are made up of cells

Who was one of the first people to observe living organisms using a microscope?

• Anton Van Leeuwenhoek

• Rudolf Virchow

• Charles Darwin

• Matthias Schleiden

Robert Hooke was known for which of the following?

• Proposed that cells reproduce through cell division.

• Noted that all plants are made from cells

• Observed that cells have a dark central body called a nucleus

• Was the first to see cells and gave them their name

Tags

NGSS.MS-LS1-1

Not until the contributions of which scientist did the public begin to understand the connection between the formation of new cells and other living cells? “Cells arise from other cells.”

• Virchow

• Schleiden

• Schwann

• Leeuwenhoek

Matthias Schleiden was a botanist who first noted -?

• Both plants and animals are made from prokaryotic cells

• All plants are made up of cells

• Cork cells contained many small empty compartments

• Animal tissues are composed of cells

To which scientist is attributed the idea that ALL living things are made up of cells? Hint: He first said that all animals are made of cells.

• Leeuwenhoek

• Schleiden

• Schwann

• Hooke

Tags

NGSS.MS-LS1-1

When the German biologist Theodor Schwann expanded the cell theory to include not only plants but also animals, he was including which two areas of study?

• Horticulture and Histology

• Microbiology and Limnology

• Botany and Zoology

• Entymology and Anatomy

Which of these supports the cell theory as it is stated today?

• All organisms are composed of more than one cell.

• Cells must contain a nucleus.

• Not all cells are alive.

• New cells are produced by division of existing cells.

Tags

NGSS.HS-LS1-4