Paracitism and Herbivory

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Presentation transcript:

Paracitism and Herbivory Animals eat plants as primary consumers The cows benefit and the grass suffers harm One organism benefits and the other one suffers The body louse gets food protection, warmth and the human suffers with itchy bites blood loss and feeling lousy!

competition Two species compete for the same resources. Both organisms suffer. Hyena and lions both compete for the wildebeast

Mutualism Both organisms benefit The zebra gets ticks eaten off it skin and the Oxpecker gets a free ride and dinner!

Commensalism One organism benefits whilst the other is not effected The cattle churn up the mud and the egret benefits because it uncovers insects which it can eat.

Amensalism One organism suffers harm and the other organism is not affected Water birds trample and kill vegetation around the ponds edge