How many different chemicals make up a cigarette?
explain why the roots of a plant are not green?
name fifteen sub branches of biology and define them?
who are the foreign biologist?
Why we are Yawning, when we see others yawning ? Is Yawning contagious ? I wonder all time
How will the unborn baby gorilla get its food and oxygen?
how many letters are in your name?
Do you think the strōma procedure is too pricey? It is basically a laser surgery to turn brown eyes into blue eyes (in simple, brief words) and I've always dreamt about having blue eyes but it costs 5000$, is it worth it?
Do octopuses and spiders have a common ancestor?
Why do trees live longer than humans, have you ever wondered?
what happens if seeds are not dispersed?
what are the complications if a mother is rh positive and foetus is rh negative?does a foetus recieve blood from it's mother or synthesise it's own blood?if it won't recieve ,how are materials transported from mother to foetus?
"Seed Nutrition" could be the new trend in foods? Eating seeds contain all 12 vitamins, all 17 minerals and all 9 amino and essential fatty acids. It seems logic because everything grew from a seed anyway. Opinions?
How does the kidneys and the endocrine system work together to help regulate water levels in the body?
slime mole economic importance?
what is the size of a snakes egg?
How much germs are in the body?
Along with the nervous system, the ______ system coordinates the various activities of body parts?
I need help with an animal physiology question! I don't really understand what's going on with inside vs outside the cell. here's the link: http://i.imgur.com/tgpgpQZ.png?
what is Velum?
Biology - General