BIOB 110CS 1st Edition Lecture 13 Pollination Plants are closely related to their pollinators and seed dispersers Attract animals and insects with evolved traits Animals behavior is adapted to benefit plants Have co evolved Seed dispersal Plants need help pollinating since most do not have the option of moving Nectar and fruits encourage animals to help disperse seeds Nectar is not just sugar water it contains scents proteins and alkaloids Generalists plants that use wind water animals insects for pollination Generalist insects pollinate many types of different flowers Specialists flowers that are pollinated by only one kind of animal or insect Some tropical plants are pollinated by carrion fish Thermogenic plants have flowers that generate heat which volatizes more odors to attract pollinators Cross pollinating promotes genetic diversity and have offspring that are superior to the parents Avoiding inbreeding Alter timing of pollen production on a plans Develop imperfect unisexual flowers Develop dioecias separate female and male plants These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Self incompatibility won t pollinate itself Inbreeding can be advantageous Preserves well adapted genotypes A single plant in a new environment can reproduce by itself Asexual reproduction Fast and efficient Doesn t need as much energy Only needs 1 plant No dependency on pollinators Methods for asexual reproduction Broken offshoots form new growth Aerial plantlets Sprouting roots and stems Rhizome underground horizontal stem that sprouts new shoots Stolon aboveground horizontal stem that roots and sprouts new shoots Apomixes seeds without sex
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