What are three ways orchids attract insects to spread their flower's pollen

Orchids attract insects many different ways depending on the insect that they attract. Orchids attract flies by using the smell of rotten flesh. Another way they can attract insects is because of the shape of their petals. Some males insects think that their petals look like female insects and the male insect then lands on the petal and spreads pollen onto the flower 

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Ten percent of energy is transferred from sun to the level indicated.