Bio 2-L29- Interactions between organisms including mutualisms

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9 Terms

1
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what is the difference between intraspecific and interspecific

intra- within the species- sexual conflict, group living

interspecific- among species

2
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forms of plant competition

resources such as light, water, and nutrients.

3
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what is mutualism

ecological interaction between 2 species-one benefits

4
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what is commensalism

one benefits and one doesn’t experience anything

5
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what is ammensalism

competition where winning competitor doesn’t actually win anything

  • Field that is grazed by cattle- lots of damage from hooves of the animal. Destruction doesn’t bother the cattle but is bad for the vegetation

6
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what is parasitism

ecological interaction where one organism benefits at the expense of another, often harming the host.

7
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what is facultative mutualism

both can survive independently- lichens

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what is obligate mutualisms

algae inside coral- one cannot survive without the other

9
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Ants and acacias with elephants

is an example of mutualism where ants protect the acacia tree from herbivores, while the tree provides shelter and food for the ants.

  • Elephants can indirectly benefit the acacias by maintaining the ecosystem. -oligate