Level Of Organisation Flashcards
1
Q
Atom
A
Smallest unit of matter in the formation of a chemical element
2
Q
Molecule
A
An electrically neutral group of two or more atoms which have come together to form an independent unit
3
Q
Macromolecule
A
- Macro = meaning large ) a macromolecule is a large molecule composed of thousand of atoms. Eg. Proteins + carbohydrates
4
Q
Organelle
A
Substructure of a eukaryotic cell which has a particular function
5
Q
Cell
A
Structural and functional unit of most living organisms
6
Q
Tissue
A
Collection of cells organised to carry out a particular function
7
Q
Organ
A
Distinct part of an organism which has a specialised function or number of functions * organs are made up of several tissue types
8
Q
Organ system
A
Group of organs working together as a system to achieve a function or set of functions
9
Q
Organisms
A
An individual living system eg animals plants microorganisms
