Characteristics of Living Things

1. All Living Organisms are: Made of cells. Prokaryotic-no nucleus Eukaryotic-has a nucleus

2. All living things Reproduce Asexually-one parent Sexually-two parents Two Cells One Cell

3. All living things grow and develop Change in size, shape & structure

4. Living things respond to the environment A stimulus causes a response Ex. Self-defense, survival Including homeostasis Maintaining internal conditions Ex. Temperature, water, electrolytes

5. Living things obtain and use energy Anabolism Metabolism = + Catabolism Anabolism: putting together substances to STORE or ABSORB energy Catabolism: breaking apart substances to RELEASE energy

Are Non-living things dead?

Living things can be alive or dead. Non-living things do NOT meet ALL the characteristics of life, and therefore, they are not considered alive or dead. Still vital to earth.