Basic First Class Test Flashcards
1
Q
Characteristics of living things (5)
A
- response to stimulus
- gas exchange (CO2 and O2)
- reproduction
- growth/repair
- use of energy
2
Q
Levels of organization
A
Atoms Molecules Organelles Cells Tissue Organs Organ System Organism
3
Q
What are the 6 different atoms of life? And where are they?
A
Carbon Hydrogen Oxygen Nitrogen Phosphorus Sulfur
Non metals-tend to accept electrons when forming bonds
4
Q
What are the 4 molecules of life?
A
Carbs
Proteins
Nucleic Acid
Lipids