In my opinion, chloroplasts and mitochondria can't live outside the cell now because mitochondria ensure the energy for the cell and the chloroplasts is important for photosynthesis. Just my opinion.

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2 years ago

The caretaker of a farm feeds hay to the cows to procure milk from them. How much energy will the cows get from the hay?

nikitadnepr [17]

<u>Answer</u>: C) 10%.

<u>Explanation</u>:

The cow will get only 10% energy from the hay as the transfer of energy from a lower to a higher trophic level follows the ten percent law.
According to the ten percent law of energy transfer, only 10 percent of the total energy gets transferred to the next trophic level in a food chain.
For example, if the hay had 100 joules of energy, the cow will get only 10% of 100 J i.e 10 J energy.
The reason why only ten percent energy is transferred is because the rest is lost in the form of heat in the atmosphere.