Cell Theory
What are the three main parts of the Cell Theory?
Cells are the basic unit of structure
All organisms are made of one or more cells
All cells come from other cells
Who is known for the invention of the microscope?
Janssen
What is the basic function of a microscope?
To see things that are too small to see with the naked eye
Define what a predator is.
An organism that hunts and eats other organisms (prey)
What is a single-celled organism?
Unicellular
Who first proposed that all living things are made of cells?
Schleiden
Which scientist concluded that all plants are made of cells?
Schleiden
What type of microscope uses light to magnify specimens?
Light Microscope
Give an example of a predator and its prey.
Lion and deer
Define multicellular organisms.
Made of more than one cell
What is the significance of the cell membrane in the Cell Theory?
Allows stuff to enter and leave the cell
What did Robert Hooke discover when he observed cork under a microscope?
Cells
How do electron microscopes differ from light microscopes?
They are stronger so you can see smaller particles
How does a predator affect the population of its prey?
A predator decreases the prey's population
What are tissues made of?
A group on similar cell
How does the Cell Theory apply to multicellular organisms?
All living organisms are made of cells
Who proposed that all animals are made of cells?
Schwann
What is the purpose of the ocular lens in a microscope?
To magnify what you are looking at
What is the term for the relationship where both species benefit?
mutualism
How do cells, tissues, and organs work together in an organism?
They carry out the life functions of the organism
Explain how the discovery of cells changed the understanding of living?
We learned all living organisms are made of the same basic thing - cells.
Describe the contributions of Anton van Leeuwenhoek to cell theory.
Created and used a more powerful microscope compared to Hooke
Explain how the development of microscopes influenced biological research.
Scientists could see things they previously could not
Explain how predator/prey dynamics can affect an ecosystem.
Describe the hierarchy of cellular organization from cells to organisms.
Cells
Tissues
Organs
Organ Systems
Organism