Unit 2 Science Quiz

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What did Theodore Schwann conclude after studying animals?

All animals are made of cells

What is the third part of the cell theory?

All cells come from preexisting cells

What is the first part of the cell theory?

All organisms are composed of one or more cells

What did Schleiden conclude about plants?

All plants are made of cells

Robert Hooke looked at a cork under a microscope. What did he call the little boxes that he saw?

Cells

Rudolph Virchow claimed that all cells came from pre-existing cells. Did he come up with this idea on his own?

No, he "borrowed" the idea from the work of another scientist.

Which scientist did Hooke feud/fight with?

Sir Isaac Newton

What is the second part of the cell theory?

The cell is the basic unit of structure and organization in organisms

What did Schleiden believe about the origin of cells?

They arose by free cell formation, or spontaneous generation.

How does Euglena move?

They move around using their flagella

How does a Paramecium move?

They move around with their cilia

How does a Paramecium eat?

They sweep food to their special mouthparts.

How does a Euglena excrete waste?

They use vacuoles that squirt the waste right out of the cell.

How does a Paramecium excrete waste?

They use vacuoles that squirt the waste right out of the cell.

How does an Amoeba excrete waste?

They use vacuoles that squirt the waste right out of the cell.

True or false? Unicellular Organisms are made up of one cell.

True

Who is credited with creating the first microscope?

Zacharias Jansen

How does a Euglena eat?

a mix of photosynthesis and the surround and digest method

What did Van Leeuwenhoek call the tiny organisms he saw with his microscope?

animacules

Unicellular organisms can...

carry out all life processes in just the one cell

Which of the following explains multicellular organisms from smallest to LARGEST

cells > tissues > organs > organ systems

Van Leeuwenhoek discovered bacteria by looking at...

dental scrapings

All scientific discoveries are made in a laboratory. (true or false)

false

How does and Amoeba move?

false feet

Cells have double role. One for themselves and one for the organism

multicellular

Injury or death does of some cells does not cause death of the organism

multicellular

It has a high degree of operational efficiency. Division of labor.

multicellular

Which organism has a longer life span?

multicellular

Which organism is more efficient?

multicellular

The structures inside the cells are called

organelles

similarities between unicellular and multicellular organisms:

reproduces, gets rid of waste, plants/animals, made up of cells

What are all the characteristics of life?

require energy, made up of cells, develop/grow, homeostasis, adapt to environment, reproduce, respond

How does an Amoeba eat?

the surround and digest method

All of the following are true about multicellular organisms EXCEPT...

they are made up of one cell

Injury or death of the cell can cause death of the organism

unicellular

The body of the organism is a single cell

unicellular

The cell has the same role for the organism as it does for itself

unicellular

Which cell will organism is more likely to die if it sustains injury to one of it's cells?

unicellular

you need a microscope to see this organism

unicellular


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