biology

Questions and Answers

Is a cactus a tree?

Questions and Answers

Why is my rabbit growling?

Questions and Answers

Can the trees also do photosynthesis in autumn/winter?

Questions and Answers

Why do human red blood cells have no nucleus?

Questions and Answers

What remains of humans or animals when you remove the skin and fat?

Questions and Answers

Which bacteria die in the freezer? Are these pathogens?

Questions and Answers

Is adenine an organic or a chemical molecule?

Questions and Answers

Can DNA test tell who is the father of identical twins?