SEE-U 2000: Atlantic Forest - Module 3:Exercise 3

## General Methadology for Instructors and TAs

## Exercise 3: Natural Selection/Evolution: Ecotypic Variation
Module 3: Natural Selection and Evolution

1. Background Lecture
   - Information on ecological gradients, ecotypes and natural selection (Begon et al.)
   - Basic statistical techniques (t-test and ANOVA)
2. Activities in the experiment
   - Selection of gradient and species
   - Establishment of transects
   - Collection of individuals for measurement of traits
   - Data analysis and comparison
3. Hypotheses to test
4. Independent variables in the experiment
5. Dependent variables that they could use in their experimental design.
6. Student evaluation
   - Based on presentation of results (written and oral)
7. Preparation notes
   - Possible traits to use:
     - Leaf length or width or thickness or weight
     - Presence of hairs
     - Number of flowers or seeds
     - Size of flowers or seeds