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All energy originates from the sun.
The solar energy captured during photosynthesis becomes chemical energy. Chemical energy can become electrical energy needed for , electrical energy stored in fats or energy, which is given off back to the environment.

are organisms that feed themselves through photosynthesis. get their food by eating others.

Trophic levels are .
Write down some examples at each level to help you remember

On average, only about of the available energy is passed on from one level to the next.

oh my this much Qs

Explanation:

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

step 1: nitrogen fixation- conversion of atmospheric no₂ into forms useful to plants by lightning, bacteria, and cyanobacteria.

step 2: nitrification-process of converting ammonia to nitrite or nitrate.

step 3: assimilation-plant roots absorb new form of nitrogen.

step 4: ammonification-conversion of organic nitrogen to ammonia by bacteria involved in decomposition.

step 5: denitrification-bacteria turns the decomposed matter back into n₂o, which is released into atmosphere; repeat cycle.