CAn you help me with this question on abiotic and biotic

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

Talking listening and reacting non verbally are all part of communicating

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