Review sheet 2                         Biology 4900 – Behavior          James Adams and Kristen Sanders

Behavior in "Protists"

Paramecia

Slime molds (Dictyostelium discoideum) -- individual amoebae and colonies; "altruism" in reproduction 
            farming of bacteria -- see pgs. 454-455 in your text.

Plant Movement – Hussein Mohamed

Difference between Taxis and Tropism 

• Endogenous Movement 
• Exogenous Movement  
• Hygroscopic Movement 

Positive and Negative Tropism in Plants

Types of Tropism 

1. phototropism 
2. geotropism 
3. chemotropism 
4. thigmotropism 
5. hydrotropism 

Opening and closing of stomata: the movement is caused by several factors 

Carnivorous plants