What shape is this galaxy??

Which of the following is not a main characteristic that scientists focus on when determining which kingdom an organism belongs to

When mendel crossed a true-breeding short plant with a true-breeding tall plant all the offspring were tall. which term describes the gene for tallnes?

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.