Why is it helpful to cross my organisms

A test cross can help determine whether a dominant phenotype is h.o.m.o.zygous or heterozygous for a specific allele.

hope this helps ^^

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101