Unit 2 Science Quiz
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