Answer:
carbon dioxide is the correct answer to this question
Answer:
The correct answer is - 4.1 billion years ago.
Explanation:
In the question, there is a timeline given based on the fossils evidence and on the base of this timeline, it is given that the earth formed around 4.5 Billion years ago. Soon after the earliest water, the first living unicellular single-celled organism found which is dated around 4.1 billion years ago.
It has appeared soon after the earth formed itself and after a billion years later the first photosynthetic organism occurred.
Answer:
This process is known as: <em><u>convergent evolution</u></em>
Explanation:
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<span>The nurse should consult the most recent published materials regarding prescription drugs, whether referencing this material in print or on the internet. The nurse should check the purpose of the drug, drug interactions and possible side effects.</span>
Explanation:
Viruses, viroids and prions are included in acellular microorganisms. These organisms when present outside the living host cell are considered non-living, as they behave as inert particles, but inside the host cell they can replicate and behave like living organisms
