Features of living thingsFeatures of living things
Lecture 1.3Lecture 1.3
What does it mean to be living?What does it mean to be living?
There are differences There are differences between living and non-between living and non-living things.living things.
Icicles grow, but are Icicles grow, but are they alive?they alive?
A fire responds and A fire responds and converts energy, but is it converts energy, but is it alive?alive?
Features of living thingsFeatures of living things
All living things share the same 8 characteristicsAll living things share the same 8 characteristics
Living things are made of units Living things are made of units called cellscalled cells
Living things reproduceLiving things reproduce
Living things are based on a Living things are based on a universal genetic codeuniversal genetic code
Models of deoxyribonucleic acid: DNA
Living things grow ….Living things grow ….
And And developdevelop
Wood frog life cycle
Development is change over time
Living things obtain and use Living things obtain and use materials and energymaterials and energy
Energy is stored in the form of ATPEnergy is stored in the form of ATP
Living things respond to their environment
Living things maintain a stable internal environment : Living things maintain a stable internal environment : homeostasishomeostasis
Why does one shiver and the other sweat?
As a group, living things change over As a group, living things change over timetime
Horse and plant evolution
