The process by which organisms that are better adapted to the environment survive and reproduce is called ?

You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars

Why do you suppose the structural polysaccharide cellulose does not contain branches?

Lumps of iron and manganese ore called can be harvested from the seafloor near underwater volcanoes.