BIO120H1 Lecture Notes - Lecture 23: Phenotypic Plasticity, Directional Selection, Phylogenetic Diversity

19 views3 pages
School
Department
Course
Professor
shdhhfhshhpla3806 and 40102 others unlocked
BIO120H1 Full Course Notes
36
BIO120H1 Full Course Notes
Verified Note
36 documents

Document Summary

With temperature going up, variance will increase (ex. Ecological response is that organisms will migrate to areas where there beter adapted to. Ecological answer to what will happen when climate changes is that things will migrate. With evoluion, either adapt to changing environmental condiions or will go exinct. People are collecing long term data sets and looking at things such as lowering and emergence ime. Organisms could be adaping due to phenotypic plasicity as opposed to direcional selecion. In very diverse species, people are collecing long term data sets and looking at parameters such as emergence ime, and lowering. With birds, see that laying date is changing, shows direcional selecion. This graph could be phenotypic plasicity, not necessarily direcional selecion (what is mechanism causing these lines?) the lines are consistent with direcional selecion, but can"t say its necessarily due to this.