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Symbiosis: I get by with a little help from my friends….

Symbiosis: I get by with a little help from my friends…. OBJECTIVE: Identify Different Interactions among species. Symbiosis Definitions. Habitat: The ecosystem in which an organism lives. Symbiosis Definitions.

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Symbiosis: I get by with a little help from my friends….

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  1. Symbiosis: I get by with a little help from my friends…. OBJECTIVE: Identify Different Interactions among species

  2. Symbiosis Definitions • Habitat: The ecosystem in which an organism lives.

  3. Symbiosis Definitions • Niche: Full range of physical and biological conditions in which an organism lives and the way the organism uses those conditions.

  4. Symbiosis Definitions • A Niche Includes: • Food: What it eats and how it’s obtained, where is it on the food web? What eats it? • Abiotic Conditions: Non-living things needed to survive (sun, temperature, water, salt water, fresh water, heat, protection, etc.) • Behavior: When and how it reproduces, mating rituals, hibernation, defense mechanisms, interactions with others

  5. Symbiosis Definitions • How is a niche different from a habitat? VS

  6. Symbiosis definitions • Competition: When organisms attempt to use an ecological resource at the same time in the same place.

  7. Symbiosis definitions • Competitive Exclusion Principle: Two species competing for the same resources cannot coexist if other ecological factors are constant. • When one species has even the slightest advantage or edge over another, the one with the advantage will dominate in the long term. • Behavioral shift, or evolutional shift to a different niche.

  8. Symbiosis definitions • Predation: When one organism captures and eats another organism.

  9. Symbiosis Definitions • SYMBIOSIS is the interaction between 2 different organisms living together • HOST- usually the LARGER of the 2 organisms • SYMBIONT- usually the SMALLER member

  10. Mutualism • Is a relationship between the host and a symbiont, where both organisms benefit and neither is harmed. • The relationship can be long or short term. • For example, the host flower benefits by being pollinated by the traveling butterfly. The symbiont butterfly benefits from the nectar that it extracts from the flower.

  11. Commensalism • Is a relationship between the host and symbiont, where the symbiont benefits and the host is neither helped nor harmed. • The symbiont benefits by receiving transportation, housing, and/or nutrition. • For example, barnacles receive transportation from the host whale. The host whale is neither helped nor harmed by the barnacles.

  12. Parasitism • Is a relationship where the Symbiont lives in/on the Host • The Symbiont (or Parasite) BENEFITS • The Host is HARMED • For example, the tick in the picture above is a parasite. It benefits by extracting blood from its human host. The human is harmed because

  13. Symbiosis in nature • Write the partner, what happens in the relationship, and then identify the relationship as • Parasitism, • Mutualism, or • Commensalism

  14. Rhinoceros and the… Oxpecker Oxpeckers eat ticks on the rhinoceros’s back. This is an example of: MUTUALISM

  15. Maribou stork and the… bee Stork cuts up dead animals that it eats with its beak. Bees lay eggs on the carcasses that provide food for the eggs. This is an example of: COMMENSALISM

  16. GAZELLE AND THE… OSTRICH Feed next to each other and warn each other when predators come. This is an example of: MUTUALISM

  17. BISON AND THE… COWBIRD Cowbird follows the bison and eats the insects in the grass. This is an example of: COMMENSALISM

  18. Deer and the… Tick Live on deer and suck their blood. This is an example of: PARASITISM

  19. Army Ants and …. Silverfish • Silverfish follow ants and eat ants’ prey This is an example of: Commesalism

  20. Black sea bass and the… Wrasse fish Wrasse fish eats parasites on black sea bass. This is an example of: MUTUALISM

  21. Shark and the… remora Attaches to shark and eats scraps from the shark’s meal. This is an example of: COMMENSALISM

  22. SPRUCE TREE AND THE… MISTLETOE Mistletoe grows on spruce trees and uses its water and nutrients. This is an example of: PARASITISM

  23. YUCCA MOTH AND THE… YUCCA Yucca moth pollinates yucca plant and lays its eggs on the flower. This is an example of: MUTUALISM

  24. WARBLER AND THE… CUCKOO Attaches to shark and eats scraps from the shark’s meal. This is an example of: PARASITISM

  25. Honey BADGER AND THE… HONEYGUIDE BIRD . This is an example of: MUTUALISM

  26. Clownfish and the…. Sea anenome Clownfish feeds on animals which could harm the sea anemone, and the sea anemone gets nutrients from clown fish waste. This is an example of: MUTUALISM

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