What conclusions can you draw about the results of your second cross between a heterozygous red bull (rr) and a heterozygous red cow (rr)?

the reason the two sea urchins don't compete with each other for food, resources, etc. is because the urchins have adapted to the environment but they have also adapted to each other. this is most likely because the genes of the sea urchins.

answer; a muscle cell, another neuron and a of the above