Lecture # 1: 1/29/13
Tuesday, January 22, 2013
The fitness of the earth for life: From the universe to our little
The ecological theater and the evolutionary play. G. E.
Constraints of the Earths environments
Lecture 12: Kingdom Animalia
Overview of Animals Gametic life cycles
a. What is an animal? They have a monophyletic descent and ancestry.
a.i. A common feature of the animals is that they are multi-celled, called metazoans. Did
they arise from the Choa
Lecture 13 Lower invertebrates: Porifera, Cnidaria and some Lophotrochozoans
Porifera Sponges (pore-bearers) = are simply a federation of cells
a. Do not possess tissues.
a.i. The choanocyte (collar cell) is unique and characteristic of the sponges.
Lecture 14: Spiralian Lophotrochozoans: Nemertea, Annelida and Mollusca
Lophotrochozoan protostomes composed of some lophophore bearing groups and those called the
spiralians (with distinct spiral cleavage).
a. Brachiopoda (dorso-ventrally flattened,
Lecture 15: The Ecdysozoans
The place of the Ecdysozoans (molting animals with exoskeletons that are shed) in the scheme of protostome
Exoskeleton: A major innovation during animal evolution was the development of a sturdy, waterp
Lecture 16: The Deuterostomes: Echinodermata, Hemichordata and Chordata
a. Show development with radial, indeterminate cleavage;
b. Blastopore anus, and the mouth is the second opening;
c. Enterocoelic coelom formation
Lecture 17: The vertebrates
I. The Chordata, (clade formerly Subphylum Vertebrata):
a. Is a triploblastic, deuterostome lineage (with all the associated characteristics).
b. Vertebrate origins extend to the Precambrian with a substantial fossil record fro
Lecture #3 - Origins and replication
Thursday, February 07, 2013
Bio 106: Lecture 3. The origin and evolution of prokaryotic and eukaryotic cells ;
their hereditary characteristics and replication - a review.
The cell as a basic unit of organiz
a. Plants are derived from green algae:
a.i. Were Adapted to terrestrial environment about 435 mya = Silurian Period
a.ii. Share chlorophyll A and B + accessory pigments
Also share: Cellulose as cell walls and starch
What is a plant?
a. The Plant Kingdom is a large monophyletic group of both unicellular and
multicellular, photosynthetic, eukaryotic organisms that are aquatic and terrestrial.
b. Typically have some sort of alternation of generations in their life cy
Bio 106: Lecture 23. Interactions among populations
Interactions between different species:
a. Competition occurs when two or more individuals of the same or different
species are vying for a resource that is in short supply
Lecture 2: 1/31
Thursday, January 31, 2013
Bio 106: Lecture 2. How scientific thinking came to be. Exploring the physical and
chemical origins of life.
How did we come to think about things in a scientific manner?
I.a. Basic ways of approaching
Lecture #4 - History 2/7/13
Thursday, February 07, 2013
Bio 106: Lecture 4. The earths evolutionary history and lifes diversity
Major events in the evolution of life on Earth:
4.5 b.y.a = the Earth cooled down,
RNA world = 4. 2 3. 8
Lecture #5: Viruses and Prokaryotes 2/14
Thursday, February 14, 2013
What are viruses (virions, viriods from Latin = venom, poison) and virons?
I.a. Virons = the virus particle capable of infecting a cell.
Viroids = plant pathogens compo
Lecture #6 - Classification
Monday, February 18, 2013
Bio 106: Lecture 6, Classification of organisms.
Introduction to the diversity of organisms: How do we distinguish
How do we tell whether a character is of a single o
Lecture # 7 - Eukaryotes
Friday, February 22, 2013
Bio 106: Lecture 7, The eukaryotes: microbial and some gigantic allies
I.a. The importance of membranes in the evolution of the nuclear
envelope ( double) and those surrounding organe
Bio 106, Lecture 18. Evolution, the history of an idea.
Introduction to evolutionary theory: (from Francois Jacob (1973)
a. There are many generalizations, but few theories in biology. The theory of
evolution is by far the most important, be
Bio 106: Lecture 19. Population genetics and evolution.
Populations are the fundamental unit of evolution and populations are defined as a group
of individuals of the same species that live and interbreed in a particular geographic area.
a. To unde
Bio 106: Lecture 20. Adaptation, Speciation and the origins of
The origin of diversity within a species
a. Adaptive variation within species:
a.i. Adaptation results from selection of particular traits
for example, examine
Bio 106: Lecture 21. The evolution of species, gene and
Populations are the basic unit for evolutionary processes because individuals cannot
evolve. Evolution results from selection acting on individuals those results in changes in
Bio 106: Lecture 22. Ecosystems: Introduction to ecology and
ecosystem structure and function
The study of Ecology:
a. What is ecology? Eco (Gr.) = meaning house; ology = meaning study of
a.i. Ernst Haeckel (1869) first defined the word ecology as t