A lion, coyote, and others like hawks and eagles
For him they were just discrete physical units of inheritance. Johanson coined the term "gene" and people started calling them genes. Today for us these factors are parts of DNA, the base sequences that carry the biological information to determine a trait. Mendel factors are alleles of genes.
Hubble’s law
the farther they are the faster they are moving away from Earth.
The answers are wind, water, and gravity.