Answer:
By identifying the bones as being homologous structures and by proposing that humans, bats, and dolphins share a common ancestor.
Explanation:
Answer:
so they can squeeze through blood vessels more quickly.
Explanation:
Some white blood cells have nuclei that are lobed, or separated into pieces, Other white blood cells act as factories making anti-germ weapons and need big nuclei to store the DNA to make those weapons.
You have a 1 out of 12 chance, so 1/12
Pulmonary and systemic circulation.
I think it 700 million years because I took the same question and that’s what I put.
