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Class Notes for BIO SCI 94 at University of California - Irvine (UC-IRVINE)


UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 26: Compass, Circadian Clock, Lightdark

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Proximate/ultimate mechanisms for migration(long distance movement of population after season change) - relates to questions of habitat selection. True
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 27: Survivorship Curve, Population Ecology, Biotic Component

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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 25: Thermocline, Upwelling, Turbidity

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Freshwater/saltwater, three key factors- affect distribution/abundance of organisms. Salinity- proportion of solutes dissolved in water. Solutes have p
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture 24: An Introduction to Ecology

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Understand why organisms live where the do and in what numbers break ecology into several levels analysis. Organismal ecologist- explore morphological,
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 23: T Helper Cell, Lysogenic Cycle, Virus

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Enveloped viruses use host endomembrane system transport envelope protein for assembly. Viruses exit host cell in two ways: Enveloped viruses bud from
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture 20: Deuterosome Animals Part 1

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Includes hagfish, lampreys, cartilaginous, bony fishes, amphibians, mammals, reptiles. Hard protective/supportive structures inside layer of epidermal
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 18: Protostome, Symmetry In Biology, Lophotrochozoa

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Two major groups of bilaterally symmetric, triploblastic animals: protostomes and deuterostomes. Cavities rise from blocks of mesodermal cells coelom f
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 17: Choanoflagellate, Detritivore, Synapomorphy

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Cambrian explosion-radiation of animals, 550 millions years ago. Move under own power at one point. Neurons- nerve cells, transmit electrical signals t
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture 16: Ch 32 Fungi

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Unique ability-absorb cellulose/lignin that make up wood. Mutualists-fungi live with other organisms, benefit hosts. Mutualistic fungi colonize roots o
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture 15: Green Algae and Land Protist Part 2

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Coal deposits found in sediments 359-299 mya. Rocks 416-359 mya, fossils found from major plant lineages. All adaptations for plants to live on land in
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture 14: Green Algae and Land Protists Part 1

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Green algae-important photosynthetic organism in freshwater habitats. Green algae considered protists, why we study them with land plants: Aquatic terr
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture 13: Protist Part 2

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Bacteria and archaea have many ways to get food. Evolution of novel methods for finding food important in diversification of protists. Protists ingest
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture 12: Protists Part 1

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Eukaryotes- size of single celled organism to sequoia trees and blue whales. Protists- organisms include eukaryotes except land plants, fungi, animals.
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture 10: Ch. 29 Bacteria and Archaea Part 1

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Bacteria, archaea-2 largest branches on tree of life. Members of bacteria/archaea nearly all unicellular, all are prokaryotic. Type of molecules which
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 9: Phanerozoic, Adaptive Radiation, Mesozoic

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Earth"s history divided into eons, eras, and periods. Precambrian-earth"s formation to start of most animals groups 542 millions years ago. Divided int
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 8: Phylogenetic Tree, Synapomorphy, Natural Selection

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Over large periods of time, nature of life on earth has experienced many changes. Two analytical tools to reconstruct history of life: Ancestral trait-
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 5: Genetic Drift, Allele Frequency, Genotype Frequency

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Ecological selection-prefer traits which help animal survive. Different selections may act on an animal at same time which may favor the same traits. G
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture 6: Speciation

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Speciation- splitting event generating new species from single ancestor. Biological species concept, different species reproductively isolated no gene
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UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 5: Genetic Drift, Allele Frequency, Genotype Frequency

OC25617783 Page
0
Ecological selection-prefer traits which help animal survive. Different selections may act on an animal at same time which may favor the same traits. G
View Document
UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture 15: Green Algae and Land Protist Part 2

OC25617788 Page
0
Coal deposits found in sediments 359-299 mya. Rocks 416-359 mya, fossils found from major plant lineages. All adaptations for plants to live on land in
View Document
UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture 10: Ch. 29 Bacteria and Archaea Part 1

OC25617784 Page
0
Bacteria, archaea-2 largest branches on tree of life. Members of bacteria/archaea nearly all unicellular, all are prokaryotic. Type of molecules which
View Document
UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture 24: An Introduction to Ecology

OC25617784 Page
0
Understand why organisms live where the do and in what numbers break ecology into several levels analysis. Organismal ecologist- explore morphological,
View Document
UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 9: Phanerozoic, Adaptive Radiation, Mesozoic

OC25617784 Page
0
Earth"s history divided into eons, eras, and periods. Precambrian-earth"s formation to start of most animals groups 542 millions years ago. Divided int
View Document
UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 8: Phylogenetic Tree, Synapomorphy, Natural Selection

OC25617782 Page
0
Over large periods of time, nature of life on earth has experienced many changes. Two analytical tools to reconstruct history of life: Ancestral trait-
View Document
UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture 16: Ch 32 Fungi

OC25617786 Page
0
Unique ability-absorb cellulose/lignin that make up wood. Mutualists-fungi live with other organisms, benefit hosts. Mutualistic fungi colonize roots o
View Document
UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 26: Compass, Circadian Clock, Lightdark

OC25617785 Page
0
Proximate/ultimate mechanisms for migration(long distance movement of population after season change) - relates to questions of habitat selection. True
View Document
UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 25: Thermocline, Upwelling, Turbidity

OC25617784 Page
0
Freshwater/saltwater, three key factors- affect distribution/abundance of organisms. Salinity- proportion of solutes dissolved in water. Solutes have p
View Document
UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture 14: Green Algae and Land Protists Part 1

OC25617784 Page
0
Green algae-important photosynthetic organism in freshwater habitats. Green algae considered protists, why we study them with land plants: Aquatic terr
View Document
UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 27: Survivorship Curve, Population Ecology, Biotic Component

OC25617784 Page
0
View Document
UC-IRVINEBIO SCI 94Brad HughesWinter

BIO SCI 94 Lecture Notes - Lecture 23: T Helper Cell, Lysogenic Cycle, Virus

OC25617783 Page
0
Enveloped viruses use host endomembrane system transport envelope protein for assembly. Viruses exit host cell in two ways: Enveloped viruses bud from
View Document
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