BIOL 203 Lecture Notes - Lecture 21: Nectar, Seed, Opportunity Cost
Document Summary
Go to case study in unit 2 module and download data. As a group answer questions and develop hypotheses - ll in group answer sheet. Decide how to graph data and test hypothesis - do this in r. Prepare google doc report of your results. Copy r code into the end of the google doc. Plants as food: low nitrogen content, high ber content. Hard to digest - ex. lignin (impossible to digest) or cellulose (dif cult to digest: defences. Spines, thorns, trichomes (plant hairs), latex, resins, etc. Leaf toughness: leaf being dif cult to chew, compounds that contribute to toughness. Silica accumulation in leaves: silica is indigestible so makes it hard for leaves to chew. Found in grass, etc: chemical defenses, usually these chem. defenses are secondary metabolites. So are produced from precursors in primary metabolic pathways. intermediates. Vary in their effects, speci city, and dosage, etc.