The large leaves of ferns show multiple venation. what are the leaves called?

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele

Wich level of organization includes all the other levels or organizations

How are fossils used to date organisms?