Symbiotic Relationships

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Symbiotic Relationships

• Symbiosis- a close relationship between 2 species

3 Types of symbiosis 1. Commensalism 2.
Parasitism 3. Mutualism
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Symbiotic Relationships

• Mutualism-
• both species benefit
• shrimp

Ex. Crocodile and Plover Bird The drawing shows
the Nile crocodile opening its mouth to permit
the Egyptian plover (a small bird) to feed on any
leeches inside the crocodiles mouth.
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Symbiotic Relationships

• Commensalism-
• one species benefits and the other is neither
  harmed nor helped
• Ex. Remoras (fish) and Sharks
• The dorsal fin of the remora is modified into a
  sucker with which it forms a temporary attachment
  to the shark. When the shark feeds, the remora
  picks up scraps. The shark makes no attempt to
  prey on the remora and the remora is not hurt.

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Symbiotic Relationships

• Parasitism-
• one species benefits (parasite) and the other is
  harmed (host)
• Parasite-Host relationship ticks,fleas, leeches