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Coevolution The mutual evolutionary influence between two species

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Presentation on theme: "Coevolution The mutual evolutionary influence between two species"— Presentation transcript:

1 Coevolution The mutual evolutionary influence between two species
Species evolve in response to changes in each other Symbiotic relationship including: Predator/prey Parasite/host Plant/pollinator Each party exerts selective pressures on the other Coevolution

2 Co-evolution

3 Coevolution

4 Coevolution fly and orchid

5 Coevolution Bumblebees and the flowers they pollinate have co- evolved so that both have become dependent on each other for survival.

6 Coevolution Yucca moth and the yucca plant.
Female moth pushing pollen into the stigma tube of the yucca flower while visiting the flower to deposit her eggs. Coevolution Yucca moth larvae (left) feeding on seeds in the yucca fruit.

7 Coevolution Clown Fish and Sea anemone

8 Coevolution Praying Mantis camouflaged against leaf
Hides from predators Eats plant pests, so helps the plant Coevolution

9 Shrimp cleaning Titan triggerfish, Pacific Ocean
Coevolution Shrimp cleaning Titan triggerfish, Pacific Ocean

10 http://www.pbs.org/wgbh/evolution/library/01/3/quic ktime/l_013_07_56.html
Wolfe: Coevolution of horses and plants Videos


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