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Give methods used in the factory farming of animals. Explain the advantages and disadvantages of these methods

Firstly, animals are kept in cramped conditions. While this allows for the cheaper production of larger amounts of meat this is unethical and causes unnecessary stress to the cooped up animals. The temperatu...
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Answered by Davina B. • Biology tutor
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What is osmosis?

Osmosis is the passive process by which water moves through a partially permeable membrane from a high concentration of water to a low concentration of water down a concentration gradient.
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Answered by Davina B. • Biology tutor
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state three differences between a plant cell and animal cell.

any three from: no cell wall in animal cells/ (cellulose) cell wall in plant cell centrioles present in animal cell, not in present in plant cell (permanent) vacuole in plant cell, lack of (permanent) vacuol...
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Answered by Rohan P. • Biology tutor
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How does HIV invade cells?

The way a simple virus invades a cell is with double stranded DNA replication. The virus has a coat of protein covering the DNA, once bound to the side of the cell the virus releases the DNA where it is then...
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Answered by Susanna C. • Biology tutor
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Both Fish and Mammals have ventilation mechanisms. Explain the function of ventilation mechanisms and name the muscles which operate the ventilation mechanism in mammals.

The function is to move the respiratory medium (air or water) over the respiratory surface; to maintain the concentration gradient. In mammals, the diaphragm and the intercostal muscles are responsible for v...
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Answered by Bobola A. • Biology tutor
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