year7 food webs and chains

Symbiosis: Mutualism

• beneficial to both organisms, and neither are harmed

• beneficial for only one organism, the other is not affected

• the parasite benefits from the relationship, whilst the host is harmed

Symbiosis: commensalism

• beneficial for both organisms, neither are harmed

• beneficial for one organisms, the other is not affected

• the parasite benefits from the relationship whilst the host is harmed

Symbiosis: parasitism

• beneficial for both organisms, neither are harmed

• beneficial for one organism, the other is not affected

• the parasite benefits from the relationship, whilst the host is harmed

which is an example of mutualism

• bee pollinates a flower,

  the flower provides food for the bee

• a bird makes a nest in a tree. The bird is protected, the tree is unaffected.

• mosquito drinks human blood, the human gets sick

herbivores eat

• plants

• meat

• both

carnivores eat

• plants

• meat

• both

omnivores eat

• plants

• meat

• both

list the food web roles

• . herbivore

  . carnivore

  . omnivore

• . producer

  . consumer

  . decomposer

• . mutualism

  . commensalism

  . parasitism

List the types of consumers

• . mutualism

  . commensalism

  . parasitism

• . producer

  . consumer

  . decomposer

• . herbivore

  . carnivore

  . omnivore

list the types of symbiosis

• . herbivore

  . carnivore

  . omnivore

• . producer

  . consumer

  . decomposer

• . mutualism

  . commensalism

  . parasitism