<em>Answer:</em>
<em>I Think the answer is option "C"</em>
<em>Explanation:</em>
<em> Some unicellular green algae, notably Chlorella, live within the cells of animals, imparting a green color to some sponges, hydras, and flatworms. The plant kingdom probably evolved from a green alga.</em>
Answer: The answer should be C. I Hope that helped :)
Explanation:
Answer:
Explanation:
A gene can be turned on or off by environmental factors or from other cells that activate proteins known as transcription factors.
