1. Week 17 Vocab Definitions

2. Organelle
Tiny structure inside of cell
Ex: ribosome, mitochondria
Autotroph
Make their own food (producers) Ex: plants
Heterotroph
Eats other organisms (consumers) Ex: animals and fungus
Species
Organisms that can mate and produce fertile offspring (offspring can reproduce)

3. Symbiosis
Relationships between organisms
Commensalism
a relationship between two living organisms where one benefits and the other is neither helped nor harmed
Mutualism
a relationship between two living organisms where both individuals benefit

4. Parasitism
a relationship between two living organisms where one benefits and the other is harmed
Cilia
Small hairs on outside of cells that help with movement
Flagellum
Long whip-like tail that helps with movement