Lesson 1 Science Study - Unit test Flashcards
How is the structure of a living thing determined by
It is determined by the variety of ways a cell is put together.
For a cell to stay alive, it must what?
Bring water and nutrients, get rid of waste and obtain energy.
Who is Robert Hooke and what did he do?
Robert Hooke was a scientist in the mid 1600s and he built his own microscope and named cells.
Who is Anton Van Lee- and what did he do?
Anton was a scientist in 1674 and he was the first person to observe living cells through a microscope.
Who is Schleiden and what did he do?
Schleiden was a scientist and he notices that all plants are made of cells.
Who is Schwann and what did he do?
Schwann was a scientist and he concluded that all animals are made of cells.
What were Schleiden and Schwann credited with?
They were credited with the development of cell theory.
What did microscopes help us with?
They helped us view very small thigs as large and clear.
What did light microscopes do to make magnification?
Light microscopes focus light through the lens.
What did electron microscopes do to make magnification?
They used beams of electrons to scan the surface of the specimen.
Which is more complexed, light micro or electron micro?
Electron Microscopes.
What is the difference between Magnification and Resolution?
Magnification makes things appear lager and Resolution makes things appear clearer.