Lecture #3 Processes of Evolution Evolution within a single population: A trait can affect: -survival up to reproductive age . not able to have offspring -number of offspring. more offspring means more geneotypes -number of successful offspring -mating su
Lecture 4 History of Life 6-15-09 The Geological Record History of life on earth key events, dominant groups, drift evo-devo (Evolutionary Developemental Biology) Evolutionary Trends Fundamental Geology -the Geological cycle James Hutton and "Uniformitari
Lecture 5 6-16-09 Phylogenies and Other topics in evolution Outline: History of life Systematics and Phylogeny Paleozic: cambrian periodn 542-488 ma -cambrian explosion= great radiation -most phyla of animals appear, some we can assign to current -evoluti
6-18-09 Lecture 7 Eukaryote Diversity *What may have promoted the origin of eukaryotes? A. Pressure for greater metabolic flex B. Colonize new habitats C. Competition between groups D. Opprotunities for more structural complexity Serial Endosymbiosis -Pro
Lecture 9 Evolution of Seed Plants Plant Diversity 2 6-23-09 Evolu of seed plants -origin 360 ma seed: an embyro and its food supply surrounded by a protective coat -enromous empact of human society aggi around 13,000 years ago transition from hunter-gath
1. How did Hutton's and Lyell's ideas influence Darwin's thinking about evolution?
Lyell proposed uniformitarianism, which stated mechanisms of change are constant over time and the same processes are operating today as the in past and at the same r
Final Exam Short Answer Questions
1. -Contrast internal vs external fertilization in animals.
*coordinated timing to ensure fertilization
*sets of cells for ova and sperm
1. Which of the following characterizes parthenogenesis?
Parthenogenesis: form of asexual reproduction in which egg develops w/out fertilization
d) an egg deveolps without being fertilized
not: change sex- hermaphrodites
groups of cells tha
Human Reproduction and Development
Male Reproductive System
Overall functions. 1. production of sperm (male gametes) 2. delivery of sperm into female reproductive system
head w/ haploid nucle