Survey of the Domains of Life by https://padlet.com/cb5010/r5280ltccwj0 Chapters 24-27 en-us 2018-03-26 19:21:16 UTC 2018-04-08 17:44:02 UTC hello@padlet.com Early Earth cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/246263010 2018-03-26 19:24:47 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/246263010 cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/246636006 Planet Formed 4.6 billion years ago 
First organisms were single celled prokaryotes (3.5 billion years ago) 
Eukaryotes became present 1.8 billion years ago ]]> 2018-03-27 18:12:29 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/246636006 cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/246644716 Many debris from solar system hit the Earth, vaporizing all water

First atmosphere= little oxygen, a lot of water vapor, nitrogen CO2, methane and ammonia 


]]> 2018-03-27 18:30:09 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/246644716 cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/246646192 Water Vapor then created oceans(solution of organic molecules) 

atmosphere= "electron adding" environment


]]> 2018-03-27 18:33:11 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/246646192 cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/246647164 Complex molecules formed from simple molecules 
Energy to do this from Uv and lightning ]]> 2018-03-27 18:35:14 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/246647164 Prokaryotes cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/246647853 2018-03-27 18:36:53 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/246647853 Body Features cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/246660102
  • Cell walls= peptidoglycan (provide shape and protect from bursting)
  • Capsule- sticky layer on outside (acts as glue, and protection from hosts immune system)
  • Fimbriae- help organisms to attach to surfaces 

    • ]]>     2018-03-27 19:06:21 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/246660102     Body Features prt.2 cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/246662502 Flagella- helps movement in response to light, chemical,and other stimuli 
    *Don't have plasma membrane covering, and dif size than Eukaryotic Flagella*]]>     2018-03-27 19:11:57 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/246662502     Nutrition cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/246663485 Photoautotroph- uses light as energy //CO2, or HCO3-
    chemoautotroph- inorganic chemicals// CO2, HCO3-
    Photoheterotroph- light& organic compounds
    Chemoheterotroph- organic compounds ]]>     2018-03-27 19:14:18 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/246663485     Reproduction cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/246676502 Binary fission- divides into two cells (asexual)
    Divide 1-3 hours
    Diverse due to - rapid reproduction,mutation, and genetic recombination , transformation/transduction, conjunction ]]>     2018-03-27 19:51:10 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/246676502     Ecological Niche cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/246678241
  • Chemical recycling- some act as decomposers , can also concert molecules to other usable forms for organisms 
  • Interactions(symbiosis)- Mutualism, commensalism, and parasitism
  • Used in research and technology for humans  

    • ]]>     2018-03-27 19:56:34 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/246678241     Clade cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/246678271 2018-03-27 19:56:42 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/246678271 Major groups cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249545963 Proteobacteria- gram negative bacteria(photoautotrophs,chemoautotrophs,heterotrophs )
    Chlamydias- Within animal cells, gram negative 
    Spirochetes- free living. spiral through environments 
    Cyanobacteria- oxygen generating photosynthesis 
    Gram postive bacteria - simpler walls w peptidoglycan ]]>     2018-04-08 15:51:41 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249545963     Gram negative Bacteria cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249546756 thin layer of peptidoglycan 
    located between plasma membrane and outermembrane 
    more complex wall ]]>     2018-04-08 15:57:59 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249546756     Eukaryotes cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249547585 2018-04-08 16:05:02 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249547585 Clades cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249547692 2018-04-08 16:06:08 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249547692 Major Groups cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249548160
  • Excavata- have excavated grove on body, modified mitochondria &different flagella 
  • SAR clade- most photosynthetic organisms and pathogens, arisen by secondary endosymbiosis 
  • Archaeplastida- includes red and green algae and land plnats, include species which are base of food web
  • Unikota- amoebas w lobe shaped pseudopoia, may have been firstgroup to diverge
    • ]]>     2018-04-08 16:08:35 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249548160     Body Features cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249549845 Have nucleus and membrane bound organelles 
    well developed cytoskeleton- allows for flexibility and to grow
    more complex then prokaryotes
    Endosymboisis of prokayote and bacteria led to creation

    secondary endosymbiosis led to diversity of Eukaryotes (red and green algae)]]>     2018-04-08 16:22:14 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249549845     Nutrition cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249550595 Can obtain nutrients through 
    direct feeding(unique to eukaryotes)
    Photosynthesis 
    absorption of nutrients ]]>     2018-04-08 16:28:18 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249550595     Reproduction cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249551353 Can produce both asexually or sexually 
    • Meiosis- produces 4 different daughter cells (sexual)
    • mitosis- produces 2 identical daughter cells (asexual)
     Sexual reproduction leads to great diversity, as well as endosymbiosis of Eukaryotes
    Creation of multicellular colonies also led to great diversity 
    ]]>     2018-04-08 16:34:49 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249551353     Ecological Niche cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249552357 Unicellular protists use organelles to do functions performed in larger systems (ex: organs)
    Producers in aquatic environments are mainly photosynthetic protists
    Also form many symbiotic relationships ]]>     2018-04-08 16:43:14 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249552357     Plants & Fungi cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249552701 2018-04-08 16:46:12 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249552701 Clades cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249552765 2018-04-08 16:46:42 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249552765 Major Clades cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249553347
  • Chytrids- flagelleted spores, earliest to diverge, multi or single celled
  • Zygomycetes- grow rapidly (food), may act as decomposers or parasites
  • Glomeromycetes- supply minerals to roots, 80% plants have relationship w these fungi, 
  • Ascomycetes- common in marine, freshwater and terresterial
  • Basidiomycetes- long lived heterokaryotic stage, 2 nuclei
    • ]]>     2018-04-08 16:51:55 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249553347     Body Structures cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249553872 Fungi:
    Cell wall w chitin multicellular filaments and single cells used for abosption 
    hyphae- network of filaments

    Plants:
    multicellular, eukaryotic,photosynthetic autotrophs
    cell walls of cellulose 
    Chloroplasts 
    *walled spores, alteration of generations and apical meristems(unique to derived plants from the algae)*]]>     2018-04-08 16:56:19 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249553872     Nutrition cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249555336 Fungi:
    Heterotrophs - absorb nutrients outside their bodies by use of enzymes 

    Plants:
    Autotrophs- can produce own nutrients through photosynthesis 

    ]]>     2018-04-08 17:10:12 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249555336     Reproduction cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249555753 Fungi:
    Sexual and asexual
    Plasmogamy- 2 cytoplams fuse 
    karyogamy- haploid cells fuse creating diploid cell
    Many unknown species, diversified as fungi colonized land 
    Plants: sexual and asexual 
    Have alternation of generations
    diversity emerged as differing plants adapted to new environments  ]]>     2018-04-08 17:13:17 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249555753     Ecological Niche cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249556589 Allow for sustainable atomosphere and soil 
    plants play crucial role in converting energy forms 
    Allows for other organisms to obtain energy
    Fungi often are essential  decomposers 
    fungi help protects plants (endophytes)
    Affect natural selection of species on Earth ]]>     2018-04-08 17:20:48 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249556589     Animals cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249556924 2018-04-08 17:23:41 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249556924 Animal Clade cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249557025 2018-04-08 17:24:19 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249557025 Structure cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249557062 Symmetry- bilateral, radial, or lack of symmetry 
    Tissues- cells that work for a function 
    Body Cavaties- fluid or air filled sac between digestive tract and outer body 
    Most are invertebraes 

    *All animals came from common ancestor *]]>     2018-04-08 17:24:41 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249557062     Reproduction cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249557077 Reproduce sexually through meiosis
    Cambrian explosion led to huge diversification of animals 
    Many different habitats led to huge diversification
    Marine life exploded from tiny microscopic organisms to millions of different species  

    ]]>     2018-04-08 17:24:48 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249557077     Nutrition cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249557111 All are heterotrophs- depend on other organisms for nutrition/cant produce their own ]]> 2018-04-08 17:25:04 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249557111 Ecological Niche cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249557125 Caused clarification of oceans 
    Provide oxygens to atmosphere 
    Humans have had major impact on environment, atmosphere, innventions and more 
    Created predator and prey system 
    All led to evolutionary changes]]>     2018-04-08 17:25:13 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249557125     Major Groups cb5010 https://padlet.com/cb5010/r5280ltccwj0/wish/249557366 Sponges/Cnidarians: basal animals, filter feeders, lack tissue,
    Bilaterians: complete digestive tract, and 2 sided symmetric form , most belong to this clade 
    Eccdysozoa- includes anthropods and nematodes

    ]]>     2018-04-08 17:27:08 UTC https://padlet.com/cb5010/r5280ltccwj0/wish/249557366