Unit 3 study guide Flashcards
Robert Hooke (1665)
A scientist who discovered that there are cells inside a slice of cork, the basic founder of cells.
Anton van Leeuwenhoek- late 1600’s
The creator of simple microscopes that had the magnification 10x greater than the microscopes used by Hooke. He also discovered microorganisms.
Matthias Schleiden-1838
Was a german botanist he was the one who concluded that all plant tissues were composed of cells.
Theodore Schwann - 1839
Was a german zoologist, and concluded that all animals were composed of cells.
Rudolph Virchow
He was the one who discovered that cells could only arise from pre-existing cells.
The cell theory is
That all living things are composed of cells
Cells are the basic units of structure and function in living things.
And that new cells are produced from existing cells.
Heterotrophs
Heterotrophs are consumers and cannot make their own food.
Autotrophs
Autotrophs are producers and can make their own food, they are not dependent on outside sources for their food.
Ingestion
The taking in of food and water.
Digestion
Breaking down food into small molecules that can be used by the cell.
Cyclosis
The movement of materials inside a cell.
Respiration
Breaking down glucose into simpler substances and releasing the stored energy in a form the cell can use.
Biosynthesis
Using the energy from foods to form cell parts, as in growth and repair.
Excretion
The removal of liquid waste from the cell.
Egestion
The removal of solid waste from the cell.
