The beginnings of a brain first become apparent around four weeks after conception when the neural plate folds to form the neural tube
Bacteria move using a tail like structure called flagellum .
A change in allele frequencies.
I think it's b. Or c. Sorry if it's wrong but I'm pretty sure it's one of those
Answer:
we get chemical energy from food
Explanation:
There is chemical energy in food so when you eat food you get chemical energy from it.