Answer:
1. Endocrine disrupters
Explanation:
Endocrine disrupters are chemicals that alters or interrupts the normal functioning of the endocrine system that consists of several glands that produce hormones responsible for various functions such as metabolism, reproduction, growth, etc. When this interferes with the endocrine system, it can bring about many undesirable consequences, one of which is low testosterone levels as reported in the Alligators in Florida lake that is polluted by high levels of dioxins. These chemicals act as endocrine disrupters.
It is respiration because all living things do it and have to do it because they have to make energy to survive. After all, respiring is just a reaction that makes energy to go into cells, doesn't matter if it's a plant or jellyfish or whatever.
<span> A cell typically expresses only a fraction of its genes and the different types of cells in multi cellular organisms rise bc of its different set of genes are ex-pressed
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