Primary consumers<span> only obtain a fraction of the total solar energy—about 10%—captured by the producers they eat. The other 90% is used by the producer for growth, reproduction, and survival, or it is lost as </span>heat<span>. You can probably see where this is going. Primary consumers are eaten by </span>secondary consumers<span>. An example would be birds that eat bugs that eat leaves. </span>Secondary consumers<span> are eaten by </span>tertiary consumers<span>. Cats that eat birds that eat bugs that eat leaves, for instance.</span>
Answer:
Solar energy is the most efficient compared to fossil fuels. The sun is a free and renewable source of energy. Solar energy also has less environmental impact.
The Muscular system. If you look at the human body, you see we're made of layers. 1st layer is the skeleton, the maintains the body's shape, then you have the 2nd layer, the muscular, this provides the ability of movement. And the layers keep going until you get to the skin.