Fossil Evidence Places the Origin of Angiosperms in the Early

Multiple Choice

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) Animals became carnivores, allowing plants to survive.
B) Competition with animals helped spread pollen and seeds.
C) Animals died off, allowing more plants to survive.
D) Animals eating the plants helped to disperse both pollen and seeds.
E) Coevolution with animals helped spread pollen and seeds.