<em>Answer:</em>
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<em>Hey Mate </em>
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<em>This is the correct answer A</em>
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<em>Explanation: All of the genes found within the ecosystem</em>
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<em>Mark me brainliest follow me!</em>
Living Organisms Respond to their Environment. All living organisms are able to react to something important or interesting in their external environment. For example, living organisms constantly respond to their environment. They respond to changes in light, heat, sound, and chemical and mechanical contact.
A nucleotide must be present to be considered dna.
I would assume B as your final
Answer
It would probably be a lot hotter on earth. Global warming is caused by green house gasses which hold warmth easily.
