Yes. I used avocados as an example because everyone is well aware how large the seed is. I couldn't find the original reference, but there's a few papers on h

Yes. I used avocados as an example because everyone is well aware how large the seed is. I couldn't find the original reference, but there's a few papers on how there are South American plants that now geographically isolated because there's no megafauna to eat and disperse the seeds.