Consider the following food chain:
grass → grasshopper → mouse → snake → hawk.
What percentage of the chemical energy
fixed by photosynthesis of the grass
(100%) is available to the hawk?
01%
1%
1%
10%

In the human body fibrinogen is necessary for sealing cuts and stopping the loss of blood. since fibrinogen is made of chains of amino acids it is an example of which type of organic molecule

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

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