Introduction Flashcards
1
Q
Levels of Organisation
A
- Atoms
- Molecules
- Cells
- Tissues
- Organs
- Organ Systems
- Organisms
- Population
2
Q
Definition of Atoms
A
smallest stable units of matter
3
Q
Definition of Molecules
A
groups of atoms
4
Q
Definition of Cells
A
smallest living units in the body
5
Q
Definition of Tissues
A
group of cells working together
6
Q
Definition of Organs
A
2 or more tissues working together
7
Q
Definition of Organ Systems
A
group of interacting organs
8
Q
Biological Requirements
A
Energy - capacity to do work
Metabolism - chemical reactions that occur within cells
Homeostasis - constant internal environment
