English chemistry
biology is a mixture of English and chemistry
English and chemistry

An easy way to calculate the amount of energy available at each level is to what?

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of

How water is moving through the ecosystem ?