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BIOTIC
RELATIONSHIPS
 By: Cherin, Jonan, SiYuan,Jun Hong and Min Suk
Prey-Predator
                                 1) Its an interaction between two organisms of unlike species in
                                which one of them acts as predator that captures and feeds on the
                                               other organism that serves as the prey.

                             2) In ecology, predation is a mechanism of population control. Thus,
                             when the number of predators is scarce the number of preys should
                              rise. When this happens the predators would be able to reproduce
                               more and possibly change their hunting habits. As the number of
                               predators rises, the number of preys decline. This results in food
                             scarcity for predators that can eventually lead to the death of many
                                                           predators.




                                                                                  http://upload.wikimedia.org/wikipedia/commons/
                                                                                  thumb/6/61/MNP_Python_at_Moyer.jpg/220px-
                                                                                             MNP_Python_at_Moyer.jpg




                                                                                Indian Python swallowing a full
            http://upload.wikimedia.org/wikipedia/commons/thumb/3/30/
     Male_Lion_and_Cub_Chitwa_South_Africa_Luca_Galuzzi_2004.JPG/220px-
        Male_Lion_and_Cub_Chitwa_South_Africa_Luca_Galuzzi_2004.JPG


                                                                               grown Chital Deer at Mudumalai
Lion and cub eating a Cape Buffalo
                                                                                        National Park
Mutualism
relationship between two
species of organisms that
benefits both species
Example:
                                                                                   Bee collecting pollen
Bees and Sunflowers                                                        http://www.picable.com/Nature/Insects/Close-up-of-Bee-Collecting-Pollen.884123




Bees get honey for food
Sunflower gets itself pollinated
or pollen gets pollinated to
other plants
                                                                          Butterfly collecting pollen
                                                                           http://blogs.answersingenesis.org/blogs/creation-museum/2006/11/24/little-blessings/


             http://www.nearctica.com/ecology/pops/mutual.htm#pollinate
Commensalism
Commensalism is a relationship between 2 animals
  where 1 organism benefits while the other is
neutral (no harm done nor any benefit is gained).
http://en.wikipedia.org/wiki/Commensalism




http://www.bio.miami.edu/dana/pix/cattle_egret.jpg   http://sanctuaries.noaa.gov/pgallery/pgfarallones/living/barnacles_300.jpg




                                                        The Barnacles live on whales and
The birds are looking out for insects
                                                          get transported to different
  that are stirred up by the cattle.
                                                        areas with the whale. The get to
 This benefits the birds as they get
                                                          go to different parts of the
             food to eat.
                                                                 ocean to feed.
Parasitism
•   Relationship where 1 organism (Parasite)
    benefits at the expense of another organism
    (host)
    Example:

•   Cymothoa exigua , a Tongue-eating louse

•   Parasite of the spotted-rose snapper                                             The little bugger

•
                                                                                (n.d). Retrieved from http://themanyfacesofspaces.com/



    Drinks blood from the fish’s tongue                                                 Parasitic_Isopod_Cymothoa_exigua.jpg




•   Replaces tongue with itself
•   (n.d). Retrieved from http://themanyfacesofspaces.com/MFS-StrangeButTrue-
    CreaturesAnimals8.html
Symbiotic relationships
                        among plants
      Commensalism:
      Creeper plants
      (Epiphytes) climb up
      a tree to reach the
      canopy for sunlight                                                       Boston Ivy ‘climbing’ on a
                                                                                wall                                                      A creeper plant climbing
                                                                                                                                          up onto a sturdy tree to
                                                                                                                                          reach sunlight.
                                                                              http://www.plantcare.com/encyclopedia/boston-ivy-745.aspx   http://www.jungleschool.com.my/educamps.html


http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/S/Symbiosis.html#Epiphytes

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Biotic relationships

  • 1. BIOTIC RELATIONSHIPS By: Cherin, Jonan, SiYuan,Jun Hong and Min Suk
  • 2. Prey-Predator 1) Its an interaction between two organisms of unlike species in which one of them acts as predator that captures and feeds on the other organism that serves as the prey. 2) In ecology, predation is a mechanism of population control. Thus, when the number of predators is scarce the number of preys should rise. When this happens the predators would be able to reproduce more and possibly change their hunting habits. As the number of predators rises, the number of preys decline. This results in food scarcity for predators that can eventually lead to the death of many predators. http://upload.wikimedia.org/wikipedia/commons/ thumb/6/61/MNP_Python_at_Moyer.jpg/220px- MNP_Python_at_Moyer.jpg Indian Python swallowing a full http://upload.wikimedia.org/wikipedia/commons/thumb/3/30/ Male_Lion_and_Cub_Chitwa_South_Africa_Luca_Galuzzi_2004.JPG/220px- Male_Lion_and_Cub_Chitwa_South_Africa_Luca_Galuzzi_2004.JPG grown Chital Deer at Mudumalai Lion and cub eating a Cape Buffalo National Park
  • 3. Mutualism relationship between two species of organisms that benefits both species Example: Bee collecting pollen Bees and Sunflowers http://www.picable.com/Nature/Insects/Close-up-of-Bee-Collecting-Pollen.884123 Bees get honey for food Sunflower gets itself pollinated or pollen gets pollinated to other plants Butterfly collecting pollen http://blogs.answersingenesis.org/blogs/creation-museum/2006/11/24/little-blessings/ http://www.nearctica.com/ecology/pops/mutual.htm#pollinate
  • 4. Commensalism Commensalism is a relationship between 2 animals where 1 organism benefits while the other is neutral (no harm done nor any benefit is gained). http://en.wikipedia.org/wiki/Commensalism http://www.bio.miami.edu/dana/pix/cattle_egret.jpg http://sanctuaries.noaa.gov/pgallery/pgfarallones/living/barnacles_300.jpg The Barnacles live on whales and The birds are looking out for insects get transported to different that are stirred up by the cattle. areas with the whale. The get to This benefits the birds as they get go to different parts of the food to eat. ocean to feed.
  • 5. Parasitism • Relationship where 1 organism (Parasite) benefits at the expense of another organism (host) Example: • Cymothoa exigua , a Tongue-eating louse • Parasite of the spotted-rose snapper The little bugger • (n.d). Retrieved from http://themanyfacesofspaces.com/ Drinks blood from the fish’s tongue Parasitic_Isopod_Cymothoa_exigua.jpg • Replaces tongue with itself • (n.d). Retrieved from http://themanyfacesofspaces.com/MFS-StrangeButTrue- CreaturesAnimals8.html
  • 6. Symbiotic relationships among plants Commensalism: Creeper plants (Epiphytes) climb up a tree to reach the canopy for sunlight Boston Ivy ‘climbing’ on a wall A creeper plant climbing up onto a sturdy tree to reach sunlight. http://www.plantcare.com/encyclopedia/boston-ivy-745.aspx http://www.jungleschool.com.my/educamps.html http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/S/Symbiosis.html#Epiphytes

Notes de l'éditeur

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