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Textbook 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 94Nancy Aguilar- RocaWinter

BIO SCI 94 Chapter Notes -Abyssal Zone, Photic Zone, Aphotic Zone

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Biology 52 emphasis on tropical forest , desert, chaparral , estuaries , intertidal zones, ocean pelagic zone, coral reefs, benthic zone. Ecology - the
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UC-IRVINEBIO SCI 94AllWinter

BIO SCI 94 Chapter Notes - Chapter 26: Population Bottleneck, Disruptive Selection, Sexual Selection

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UC-IRVINEBIO SCI 94Robin BushWinter

BIO SCI 94 Chapter 35: Chapter 35

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UC-IRVINEBIO SCI 94Robin BushWinter

BIO SCI 94 Chapter 31: Chapter 31

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UC-IRVINEBIO SCI 94Robin BushWinter

BIO SCI 94 Chapter 30: Chapter 30

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UC-IRVINEBIO SCI 94Robin BushWinter

BIO SCI 94 Chapter Notes - Chapter 53: Monarch Butterfly, Ant Colony, Sexual Selection

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Behavior - an action in response to a stimulus. Behavioral ecology - study of how organisms respond to particular stimuli from their environments. All
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UC-IRVINEBIO SCI 94AllWinter

BIO SCI 94 Chapter Notes - Chapter 25: Thomas Robert Malthus, Jean-Baptiste Lamarck, Leucine

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Dependent variable is the response that in measured. Ex: limbs of vertebrates: homology can be key in biology (research) i. ii. Testing in organisms ca
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UC-IRVINEBIO SCI 94Robin BushWinter

BIO SCI 94 Chapter Notes - Chapter 56: Oceanic Zone, Positive Feedback, Chemical Energy

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Components of an ecosystem - the species present in a region along with abiotic components - are linked by flow of energy and cycling of nutrients need
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UC-IRVINEBIO SCI 94Robin BushWinter

BIO SCI 94 Chapter Notes - Chapter 34: Chordate, Hydrostatic Skeleton, Myriapoda

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Arthropoda - insects, crustaceans, chelicerates, and myriapods. Mollusca - snails, clams, octopuses, and squid. Annelida - segmented worms e. g. earthw
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UC-IRVINEBIO SCI 94Robin BushWinter

BIO SCI 94 Chapter Notes - Chapter 36: Lysogenic Cycle, Prokaryote, Rna-Dependent Rna Polymerase

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Virus - obligate (completely dependent on host cells) intracellular parasite. Are not cells/made up of cells, so not considered an organism. Can"t manu
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UC-IRVINEBIO SCI 94Robin BushWinter

BIO SCI 94 Chapter Notes - Chapter 31: Monocotyledon, Gynoecium, Endosperm

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Green algae considered protists, but studied along with land plants for two reasons. Closest living relatives to land plants and form monophyletic grou
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UC-IRVINEBIO SCI 94Nancy BurleyWinter

BIO SCI 94 Chapter Notes - Chapter 29: Pathogenic Bacteria, Microbiological Culture, Archaea

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