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Symbiosis  Competition, Predation, Symbiosis, Mutualism, Commensalism, or Parasitism

Symbiosis  Competition, Predation, Symbiosis, Mutualism, Commensalism, or Parasitism. Population – group of individuals of the same species living in the same area, potentially interacting. Community – group of populations of different species

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Symbiosis  Competition, Predation, Symbiosis, Mutualism, Commensalism, or Parasitism

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  1. Symbiosis Competition, Predation, Symbiosis, Mutualism, Commensalism, or Parasitism

  2. Population – group of individuals of the same species living in the same area, potentially interacting Community – group of populations of different species living in the same area, potentially interacting What are some ecological interactions?

  3. Why are ecological interactions important? Interactions can affect distribution and abundance. Interactions can influence evolution. Think about how the following interactions can affect distribution, abundance, and evolution.

  4. Our goal for today is to answer these questions: • What is symbiosis? • What are the different kinds of symbiosis? • What are some examples of symbiosis?

  5. Definition: the act of living together What it means: *Two organisms that live together *Temporarily or for a longer time *At least one of the organisms benefits from the relationship What is symbiosis?

  6. What are the different kinds of symbiosis? Commensalism Mutualism both organisms benefit one organism benefits one organism benefits Parasitism one organism is harmed one organism is unaffected

  7. Symbiosis – two species live together  can include predation, parasitism, mutualism, and commensalism

  8. Commensalism Commensalism is a relationship between two living organisms where one benefits and the other is neither harmed nor helped.

  9. Commensalism Organism One Organism Two

  10. Commensalism – one species receives a benefit from another species  enhances fitness of one species; no effect on fitness of the other species

  11. The clownfish lives among the forest of tentacles of an anemone and is protected from potential predators.

  12. Some birds live among cattle to eat the insects stirred up as they walk. One example are egrets who hunt for insects near a grazing animal's mouth.

  13. One animal attaching itself to another for transportation such as barnacles attach to shells or whales or a shrimp riding on a sea slugs. shrimp riding on a sea slug barnacles on whale’s tail and clam

  14. One species uses a second organism for housing such as small mammals or birds that lives in holes in trees or orchids which live in trees. Orchid in rainforest Venezuela

  15. Parasitism One organism, usually physically smaller of the two (the parasite) benefits and the other (the host) is harmed

  16. Parasitism Organism One Organism Two

  17. Parasitism – one species feeds on another  enhances fitness of parasite but reduces fitness of host

  18. Ticks and fleas that live in a host animal's fur bite the animal and drink its blood are parasites.

  19. Insects such as mosquitoes feeding on a host are parasites.

  20. Vines such as Kudzu growing on Trees

  21. Tomato Hornworm with Wasp Eggs

  22. Tapeworm or Hookworms living in Host's Gut

  23. The roots of the Owl Clover are partly parasitic on the roots of other desert wildflowers.

  24. Mutualism Both species benefit from the interaction.

  25. Mutualism Organism One Organism Two

  26. Mutualism – two species provide resources or services to each other  enhances fitness of both species

  27. Flowers and their Pollinators (examples:  Bees and hummingbirds gather nectar and spread pollen.)

  28. Birds and mammals eat berries and fruits while the plant benefits by the dispersal of it seeds.

  29. Algae and Fungi > Lichen - Alga gets water and nutrients from the fungus and the fungus gets food from the algae.

  30. Cleaners eat insect pests from the skin of animals. (ex: Egyptian plover cleans giraffes and buffaloes)

  31. Many herbivores such as cows, sheep, deer, horses and rabbits depend on bacteria that live in their stomachs to break down the plant material.

  32. Coral Reefs- The corals get food and the algae get protection.

  33. Predation one eats another (Herbivores eat plants. Carnivores eats animals.)

  34. Competition – two species share a requirement for a limited resource  reduces fitness of one or both species

  35. Predation – one species feeds on another  enhances fitness of predator but reduces fitness of prey herbivory is a form of predation

  36. predation herbivory parasitism commensalism commensalism competition predation herbivory parasitism competition competition Organizing ecological interactions effect on species 1 + 0 - + 0 - mutualism effect on species 2

  37. Acacia Plant & Ants parasitism The ants lay eggs on acacia tree so they get a nice safe place for their eggs. The acacia covers the infected area with brown flesh (called a gall.) The plant has to use valuable resources to create the gall. What symbiotic relationship is this?

  38. Anemone & Anemone Fish This fish lives its entire adult life among the tentacles of a bulb- tentacle sea anemone. Anemone fish do not get stung by the anemone as would most other fish so they get protection from predators. The fish often drop food scraps which the anemones can eat. mutualism What symbiotic relationship is this?

  39. Boxer Crab & Anemones This Boxer Crab carries a pair of stinging anemones in its claws, which it uses to defend itself from predators. The anemones get to move around which increases their food supply. mutualism What symbiotic relationship is this?

  40. Shark & Remora The remora attaches itself to the shark and saves energy since it doesn’t have to swim, and it gets to snack on the sharks kills. The shark doesn’t get anything. commensalism What symbiotic relationship is this?

  41. Emperor Shrimp & Sea Cucumber This tiny emperor shrimp is riding along on the back of a sea cucumber (a long worm-like starfish relative) while it crawls along a sandy bottom. The shrimp gets to travel around under the protection of its much larger partner, and the sea cucumber doesn't seem to mind. commensalism What symbiotic relationship is this?

  42. Moray Eel & Cleaner Fish This moray eel has a small fish cleaning between its teeth. The eel gets a clean mouth while the cleaner fish gets a nice meal. mutualism What symbiotic relationship is this?

  43. Cattle & Cattle Egrets As these cattle walk around eating grass they stirup lots of insects. The egrets hang around and get a yummy meal of insects. What symbiotic relationship is this? commensalism

  44. Clown Fish & Anemone This clown fish swims in the anemone and gets protection, since its predators will get stung. The anemone is unaffected. What symbiotic relationship is this? commensalism

  45. Antelope & Ox Bird This ox bird hangs out on the antelope and gets a delicious meal of bugs living on the antelope. The antelope gets rid of parasites. What symbiotic relationship is this? mutualism

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