It is known as the opening statement
The sequence and number of amino acids is different (each protein has a unique sequence and arrangement of amino acids).
Yes it can!
~ Hope this helps.
The shorter the food chain, the larger amount of energy obtained.
Hence, the consumer furthest away from the producer obtains the least energy.
The quaternary consumer is furthest away. Most energy is lost by then. Hence, it has access to the smallest supply of energy.