· Pyramid of energy is the image of 100% is producer, 10% is primary consumer and 1% is secondary consumer.
· So, the percentage that is for producer, primary and secondary is for their body parts and tissues.
· The reason is the primary has to walk around and find food and carry out the process of “respiration”.
· For example, mice cannot digest cellulose so; the plant cell wall can’t be digested. So, it contains energy that is lost in a form of faeces undigested material.
· They all die and decompose so, they would call decomposers.
main causes of loss are respiration and movement
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