BISC208- Final Exam Guide - Comprehensive Notes for the exam ( 104 pages long!)

• School: University of Delaware
• Department: Biological Sciences
• Course: BISC208
• Professor: Safran Catherine

Document Summary

All existing species evolved from preexisting species/common ancestor(s) by natural selection. Convergent evolution: 2 differe(cid:374)t spe(cid:272)ies issued fro(cid:373) differe(cid:374)t li(cid:374)eages e(cid:374)d up (cid:449)ith structures that serve the same functions, organisms that do not have a recent common ancestor but have structures that serve the same function. 2: =analogous structures, developmental homologies, related spe(cid:272)ies differ as adults (cid:271)ut si(cid:373)ilarities (cid:272)a(cid:374) (cid:271)e observed during embryonic development, molecular homologies. Molecular homologies: amino acid (and dna) sequence comparisons give direct clues on related(cid:374)ess (cid:271)et(cid:449)ee(cid:374) spe(cid:272)ies , evidence that there is inheritance from a common ancestral gene. Green fluorescent protein (gfp) transgenic mice: gfp = small protein from jellyfish, proof of concept that certain genes can be expressed as a functional protein in any given organism. Ter(cid:373)s (cid:449)ith (cid:373)ea(cid:374)i(cid:374)gs differe(cid:374)t tha(cid:374) i(cid:374) e(cid:448)eryday life : fitness = ability to survive and reproduce / reproductive success, adaptation does not mean acclimatization; acclimatization is adapting as a(cid:374) e(cid:374)(cid:448)iro(cid:374)(cid:373)e(cid:374)t (cid:271)ut your a(cid:272)tual ge(cid:374)es are(cid:374)"t (cid:272)ha(cid:374)gi(cid:374)g (cid:894)ger(cid:373) (cid:272)ells(cid:895).