What is the definition symbiosis?

• A relationship between two organisms where one benefits and the other doesn’t.

• Two organisms living in the same habitat.

• A relationship between two or more organisms or different species which live physically close to each other.

• A relationship between two organisms where they both benefit.

Define parasitism.

Define mutalism.

What are the reactants in Phototsynthesis?

Carbon Dioxide + Water + ________

What are the products in Photosynthesis?

= Oxygen & ________

What is a macromolecule?

• An element on the periodic table

• An atom

• Many smaller molecules together

• H20

What macromolecules are relevant in this class?

• Proteins

• Lipids

• Nucleic Acids

• Carbohydrates

What does nitrogen make for organisms?

• Proteins

• Carbohydrates

• Lipids

• DNA

What does calcium make for organisms?

• Bones

• Coral

• Shells

• Skeletons

Define Abiotic