Fossil evidence places the origin of angiosperms in the early Cretaceous period, at least 130 million years ago. By 100 million years ago, all of today's major lineages of angiosperms were in place. Angiosperms make up 95% of all modern plant species. Which of the following may help explain the rapid success of angiosperms?
a. Use of the wind to disperse pollen and seeds
b. Flowers and fruits help protect and disperse both pollen and seeds
c. Use of the wind to disperse spores
d. Use of water to disperse pollen and seeds
e. Animals eating the plants helped to disperse both pollen and seeds
Answer: b. Flowers and fruits help protect and disperse both pollen and seeds
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