Characteristic of Life Flashcards
1
Q
Cell
A
smallest, most basic unit of life
2
Q
what can organism be?
A
unicellular or multicellular
3
Q
Tissues
A
made up of similar cells
4
Q
Organ
A
made of tissues
5
Q
Organ system
A
organs working together
6
Q
Food
A
building blocks and energy sources
7
Q
Energy
A
capacity to do work
8
Q
Metabolism
A
all chemical reactions occurring in the cell
9
Q
What is the ultimate source of energy?
A
the sun is the ultimate source of energy for all life on earth
