Answer:
abiotic and biotic
Explanation:
the abiotic components of any ecosystem are properties os the environment
Answer:
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Through a sequence of steps called the immune response<span>, the </span>immune system<span>attacks these </span>pathogens<span>. ... This is the </span>immune system<span>. Cells. The cells involved are white blood cells (leukocytes), which seek out and destroy disease-causing organisms or substances</span>
The sequence and number of amino acids is different (each protein has a unique sequence and arrangement of amino acids).