Biology 1B: General Biology (Fall 2010)

Video Lectures

Displaying all 37 video lectures.
Lecture 1
Lecture 1: Introduction to Ecology
Play Video
Lecture 1: Introduction to Ecology
Ecology and the ecological method
Lecture 2
Lecture 2: Ecology of Individuals and Species
Play Video
Lecture 2: Ecology of Individuals and Species
Ecology and the ecological method
Lecture 3
Lecture 3: Demography and Life History
Play Video
Lecture 3: Demography and Life History
Individuals - adaptation and behavior; distinguish between biotic and abiotic factors.
Lecture 4
Lecture 4: Population Growth and Regulation
Play Video
Lecture 4: Population Growth and Regulation
Individuals - adaptation and behavior; distinguish between biotic and abiotic factors.
Lecture 5
Lecture 5: Interspecific Relationships
Play Video
Lecture 5: Interspecific Relationships
Population biology; explain how single species populations grow and are regulated.
Lecture 6
Lecture 6: Community Ecology
Play Video
Lecture 6: Community Ecology
Population biology; explain how single species populations grow and are regulated.
Lecture 7
Lecture 7: Community Ecology 2
Play Video
Lecture 7: Community Ecology 2
Population biology; explain how single species populations grow and are regulated.
Lecture 8
Lecture 8: Ecosystem Ecology
Play Video
Lecture 8: Ecosystem Ecology
Population biology; explain how single species populations grow and are regulated.
Lecture 9
Lecture 9: Ecosystem Ecology 2
Play Video
Lecture 9: Ecosystem Ecology 2
Community Structure: distinguish between density dependent and density independent birth and death rates.
Lecture 10
Lecture 10: Paleoecology
Play Video
Lecture 10: Paleoecology
Relate broad patterns in the fossil record to major geological events and plate tectonic movement.
Lecture 11
Lecture 11: Human Ecology
Play Video
Lecture 11: Human Ecology
explain how communities change in both space (biomes and gradients) and time (succession). (Video Clip at end removed by instructor request)
Lecture 12
Lecture 12: Ecology and the Environment
Play Video
Lecture 12: Ecology and the Environment
Ecology, environment and man; describe the major forces structuring communities and explain how community structure can be represented by food webs.
Lecture 13
Lecture 13: Conclusion
Play Video
Lecture 13: Conclusion
Lecture 14
Lecture 14: Darwin and the Origin of Species I
Play Video
Lecture 14: Darwin and the Origin of Species I
The development of Darwinian thought; explain how life might have originated on this planet
Lecture 15
Lecture 15: Darwin and the Origin of Species II
Play Video
Lecture 15: Darwin and the Origin of Species II
The development of Darwinian thought; explain how life might have originated on this planet
Lecture 16
Lecture 16: Population Genetics I: Mendel, Darwin, Hardy, and Weinberg
Play Video
Lecture 16: Population Genetics I: Mendel, Darwin, Hardy, and Weinberg
Describe the experiments of Mendel and use Mendel's principles to solve novel problems; describe the Hardy-Weinberg law and explain the conditions that must be met for it to hold true
Lecture 17
Lecture 17: Population Genetics II: Mutation and Genetic Drift
Play Video
Lecture 17: Population Genetics II: Mutation and Genetic Drift
explain the consequence of violating each of the assumptions of the Hardy-Weinberg law and explain when a population is in equilibrium.
Lecture 18
Lecture 18: Population Genetics III: Natural Selection and Gene Flow
Play Video
Lecture 18: Population Genetics III: Natural Selection and Gene Flow
Lecture 19
Lecture 19: Natural Selection in the Laboratory and in the Wild
Play Video
Lecture 19: Natural Selection in the Laboratory and in the Wild
describe Darwin's theories and how the principles of natural selection can lead to speciation.
Lecture 20
Lecture 20: The Evolutionary Advantage of Sex
Play Video
Lecture 20: The Evolutionary Advantage of Sex
explain the consequence of violating each of the assumptions of the Hardy-Weinberg law and explain when a population is in equilibrium.
Lecture 21
Lecture 21: Sexual Selection
Play Video
Lecture 21: Sexual Selection
explain the consequence of violating each of the assumptions of the Hardy-Weinberg law and explain when a population is in equilibrium.
Lecture 22
Lecture 22: Species and Speciation I
Play Video
Lecture 22: Species and Speciation I
describe Darwin's theories and how the principles of natural selection can lead to speciation.
Lecture 23
Lecture 23: Species and Speciation II
Play Video
Lecture 23: Species and Speciation II
give examples of adaptation and of both allopatric and sympatric speciation.
Lecture 24
Lecture 24: Phylogenetics
Play Video
Lecture 24: Phylogenetics
use cladistic analysis to better understand and explain the phylogenetic relatedness among organisms.
Lecture 25
Lecture 25: Fossil Record
Play Video
Lecture 25: Fossil Record
contrast alternate models for macroevolution and describe the major patterns in the fossil record; relate broad patterns in the fossil record to major geological events and plate tectonic movement.
Lecture 26
Lecture 26: Human Evolution
Play Video
Lecture 26: Human Evolution
Lecture 27
Lecture 27: Introduction / Fungal diversity and reproduction
Play Video
Lecture 27: Introduction / Fungal diversity and reproduction
describe and distinguish the variety of possible life cycles for a sexual organism and diagram a generalised lifecycle for animals, plants, and fungi.
Lecture 28
Lecture 28: Importance of fungi / Origins of photosynthesis
Play Video
Lecture 28: Importance of fungi / Origins of photosynthesis
describe the distinguishing features of the major plant phyla and their evolutionary relationships.
Lecture 29
Lecture 29: Diversity and reproduction of algae
Play Video
Lecture 29: Diversity and reproduction of algae
describe the distinguishing features of the major plant phyla and their evolutionary relationships.
Lecture 30
Lecture 30: Origin of land plants: Bryophytes and ferns
Play Video
Lecture 30: Origin of land plants: Bryophytes and ferns
show how the evolution of plants is associated with the morphological and physiological adaptations required for a terrestrial life.
Lecture 31
Lecture 31: Gymnosperm diversity and reproduction / seed evol.
Play Video
Lecture 31: Gymnosperm diversity and reproduction / seed evol.
explain how reproduction and embryo development occurs in gymnosperms and angiosperms.
Lecture 32
Lecture 32: Angiosperm life cycle and diversity
Play Video
Lecture 32: Angiosperm life cycle and diversity
describe how plants control and co-ordinate actions using hormones and give examples of the effects of each of the major groups of plant hormone.
Lecture 33
Lecture 33: Angiosperm pollination, dispersal and germination
Play Video
Lecture 33: Angiosperm pollination, dispersal and germination
explain how reproduction and embryo development occurs in gymnosperms and angiosperms.
Lecture 34
Lecture 34: Introduction to plant morphology and anatomy
Play Video
Lecture 34: Introduction to plant morphology and anatomy
explain the mechanisms of xylem and phloem sap movement in plants.
Lecture 35
Lecture 35: Shoot morphology, anatomy and growth
Play Video
Lecture 35: Shoot morphology, anatomy and growth
explain the mechanisms of xylem and phloem sap movement in plants; show how the evolution of plants is associated with the morphological and physiological adaptations required for a terrestrial life.
Lecture 36
Lecture 36: Shoot growth - cont - and modifications / Root intro
Play Video
Lecture 36: Shoot growth - cont - and modifications / Root intro
explain the mechanisms of xylem and phloem sap movement in plants; show how the evolution of plants is associated with the morphological and physiological adaptations required for a terrestrial life.
Lecture 37
Lecture 37: Root absorption and modifications
Play Video
Lecture 37: Root absorption and modifications
explain the mechanisms of xylem and phloem sap movement in plants.