Which of the following choices is evidence that present-day vertebrates shared common ancestors? a. they all have hearts and feet

b. they display similar embryo development and share common genes that control development.

c. they have many bone structures that are unique to each species

d. they all thrive in a single ecosystem
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it's the cell cycle, but cytokines is when the cell divides.

theres 3 stages interphase,mitosis,and cytokines.

interphase prepares the cell for division.

mitosis is the process of dividing the cell,it has 4 parts interphase,anaphase,metaphase,and telophase.

lastly there's cytokines,that's when the cell divides into 2 daughter cells

want or the answer