Levels of organisation Flashcards
(5 cards)
1
Q
What is the order of organisation in most organisms?
A
organelles —–> cells —–> tissues —–> organ —–> organ system.
2
Q
What is a cell?
A
A simple unit of life.
3
Q
What is an organ?
A
A group of tissues of a similar size and shape.
4
Q
What is the order of relative size?
A
Atom —–> virus —–> bacteria —–> animal cell —–> plant cell.
(smallest to largest)
5
Q
What is the name of an organism that exists as a single cell?
A
Unicellular organism