Birds Are Good Seed Dispersal Agents Because

Birds are good seed dispersal agents because

A) seed survival in bird guts is low.
B) the undigested seeds are deposited in a heap at the nesting sites.
C) the undigested seeds are deposited at various feeding sites.
D) the undigested seeds are deposited near the same plant that produced them.
E) the digested seeds are dispersed at feeding and nesting sites.