Can anyone please help me?

Well, energy is lost every time the pyramid goes up, as shown on the pyramid picture. So producers get 100% of the energy, but when it’s consumed by the first consumer the consumer only obtain 10% of the energy, the second consumer eats the first consumer it only obtains 1% of the original energy, and so on. So there isn’t enough energy available at the top of the pyramid to to sustain a whole lot of organisms.

Molecules called lipids have long hydrocarbon chains that determine the way they act. they can be fats, oils, or hormones, and even exist in our cell membranes