Pls answer this quastion
A ____________ is the smallest functional and structural unit of all living organisms.
An ___________ is any living thing that carries out its own life processes.
____________ was the first to describe cells. He looked at the bark of a cork tree under a microscope.
Why are most cells small?
Cells are small because their size is __________ by their outer barrier.
As the cell grows, they will require _______ nutrients and produce ______ waste products.
If cells get too large, they cannot take in ________ nutrients or get rid of enough wastes.
The __________to _________ ratio of a cell is the ratio of the outer surface to the cell’s volume.
The ________ the cell, the ________ this ratio.
What is cell theory?
The cell theory lists three basic characteristics of all cells and organisms.
________________________________________________________
________________________________________________________
________________________________________________________
Notable scientists:
Robert Hooke was the first to describe cells. He looked at the bark of a cork tree under a microscope.
_____________________ was the first to describe living cells.
_____________________ concluded that all plants are made of cells
_____________________ determined that all animal tissues are made of cells
_____________________ proposed that cells could form only from the division of other cells
Which theory does this fall under? ______
______________ organisms
Multicellular organisms
Made up of one cell
Made up of _____ than one cell
The single cell must carry out all life functions
These organism have _____________ cell functions
Describe the differences between the two types of cells.
Prokaryotes
Eukaryotes
_____________________
_____________________
_____________________
DNA is found in the __________________
_____________________
_____________________
_____________________
DNA is found in the _____________________