What is a cell?
Basic unit/building block of life; smallest part of a living thing that is capable of life.
How were cells discovered?
Hooke, Leeuwenhoek, microscopes, etc.
What are the three core principles of cell theory?
(1) all living things are made of one or more cells; (2) cells are the basic unit of living things; and (3) all cells come from existing cells.
What is the difference between unicellular and multicellular organisms?
Uni = 1; multi = many
What is tissue?
A group of similar cells that work together to perform a specific function.
What is an organ? Give two examples.
A group of two or more types of tissue that work together to perform a specific function,
Discuss two plant’s organs. What are they called and what do they do?
Roots, stems, flowers, etc.
Name three of the levels of organization found in most multicellular organisms.
Organ system, organs, tissues, cells, organelles, compounds/molecules, atoms.
What are organ systems? Give an example.
A group of organs working together to perform a specific function.
What is the difference between an element and a compound?
element= pure substance, can't be broken down; compound= new substance formed by chemical reaction.
