An indicator species<span> is an organism whose presence, absence or abundance reflects a specific environmental condition. </span>Indicator species<span> can signal a change in the biological condition of a particular ecosystem, and thus may be used as a proxy to diagnose the health of an ecosystem.
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I’m sorry if you don’t want me to go take a break off
ATP energy is required to carry out the removal of waste
A. Evolution is a scientific theory, and scientific theories have many hypothesis and experiments that support their findings.
