Answer: D. Two distantly related species both live in hot, dry deserts.
Explanation: Don't worry it's right. I know that for a fact because I just took the test.
Ecological disturbance, an event or force, of nonbiological or biological origin, that brings about mortality to organisms and changes in their spatial patterning in the ecosystems they inhabit.
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A is correct. Catalysts are substances that accelerate a chemical reaction, and enzymes are catalysts that increase the rate in cellular reactions.
it medical because it explains predictive diagnosis for genetic disorders.