Amammal is an ectothermic animal with hair, specialized teeth, and a complex brain.
select the best answer from the choices provided
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Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

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?

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell