12 Flashcards
Benefits of female bees and plants?
*If central place foragers: Frequent visitors (find specific good flowers and then use it to mate). The benefit to the plant is that you live there and then the plant has a dependable female bee.
*If trapliners: Strong dispersal, visits new flowers every time. The plants get a good pollen flow.
Cons of female bees? 2*
*If central place foragers: Limited dispersal geitonogamy (plants need to compete with each other to get reliable resident bees).
*Rare outside tropics. For the plant, you cannot do that in a place with a short growing season.
Female bees are high quantity, reliable, but?
low quality pollen movement.
Benefits of male bees?
!Strong dispersal, they move pollen between plants.
Costs of male bees?
Infrequent visitors to flowers since they are not defending territories.
Male bees are high quality pollen movement but?
infrequent
Many flowers try to accomplish what else other than just pollination?
Sites for bees, wasps, beetles, etc to find mates and then share a nuptial meal.
Some flowers try to mimic a female insect using pheromones to do what?
males try to copulate with the flower and then get pollen all over the place.
how can you fractionate pheromone mimicry in bees in plants that mimic females?
Find the action potential peaks in charge on bees antennas based on the compound.
alkene?
Unsaturated organic compound with a double bond.
Alkane?
saturated organic compound without a double bond.
Colour can also affect attraction of bees. Male bees in addition to pheromones visit flowers with what colour?
Pink
What was the major thing found in _____ wasps?
A new organic compound never found before. They found only one pheromone attracting male wasps in which height above the ground matters between different species if all species can sense that pheromone.
Why do some performue orchids blend different compounds?
as a filter to filter out species and specialize at certain species.
