Answer:
The answer is A
Explanation:
It is A because rock, water, and sand are all abiotic , is is NOT c because algae is a biotic factor
I took this, I believe that it was dictation. I might be wrong though.
The reason for this change is "Technological advances led to the discovery of single-celled organisms and increased our understanding of relationships between organisms"
<h3>Why bacteria and archaea should be classified into different kingdoms?</h3>
Archea and bacteria are both prokaryotic organisms ( organisms without defined organelles and nucleus) that share common features such as a similar morphology and similar ways to obtain food/energy. However, these organisms have important differences such as RNA type, they have a slightly different morphology and they live in different habitats.
<h3>Why did this change in classification occurred?</h3>
This change occurred due to technological advances. Indeed, the classification of organisms into 4 kingdoms occurred by the beginning of the 20th century when unicellular prokaryotic organisms had not been completely studied, and therefore it has not been determined this group included two sub-groups.
Learn more about organisms in: brainly.com/question/12825206
Answer:
measles, mumps, rubella, & chicken pox
Explanation:
Because viruses attack and multiply within certain cells causing disease.