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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Below are the choices:
homogenous mixture
<span>heterogeneous mixture </span>
<span>semi mixture
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You want to decorate the bottom of an aquarium with brightly colored rocks of different shapes and sizes. this describes a homogenous mixture<span>
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<span>The word hetero means different. Since the rocks are varied i assume it would be a heterogeneous mixture.</span>
Answer:
A new field known as <u>nutrigenomics</u> has emerged to explore the epigenetic influences of diet.
The belt between Mars and Jupiter is mad of space rocks known as astroids. Hope that helps!