Answer:
2 DNA molecules that are identical from each other
Some scientists hypothesize that the first organic compounds could have been created on Earth by t<span>he mixing of atmospheric gases containing ammonia, hydrogen, water, and methane at high temperatures. C
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The formation of protobionts that use DNA to direct the polymerization of amino acids have not yet been researched by scientist in order to learn about the origins of life on Earth
<span>c. They can be introduced within their natural range.</span><span>
Invasive species can threaten an ecosystem and the biodiversity of the organism that exist in the present environment when the invasive species increase rapidly in number.
</span>Exotic species are a threat to biodiversity because they alter the ecosystem of that area. They share food and habitat resulting in unbalanced ecosystem. Also, habitat destruction destroys the habitat of all the life forms in that area.
