An embryonic stem cell is the first cell in the embryo, this is what creates a human and helps more cells to form.
It will effect your Peripheral Vision
Answer: Take out the trash regularly, make sure food is stored in secure containers, clean the house regularly, and don't leave perishable foods out for a long time.
D. Carnivores that eat other animals
A biotic factor is a living organism that shapes its environment.
I think the best answer is D. It is thought that advances such as agriculture, literacy, and urbanization have not been accompanied by additional increases in brain size because the physiological cost of a bigger brain exceeds its benefit. The brain requires a lot of nutrients to function. Having a bigger brain would cost a lot rather than benefiting from it.
