Good luck! I’m sure you can do it :)
An embryonic stem cell is the first cell in the embryo, this is what creates a human and helps more cells to form.
The answer is D.Angiogenesis
<span>♡♡Hope I helped!!! :)♡♡
</span>
Fish and bird are biotic and the bird would hurt the fish depending on the species of birds since some birds are carnivores.