Answer:
i think the best answer is A
Explanation:
the rest don't make much sense
hope this helped a bit
Sunlight is the main energy source
Answer:
By definition, tissues are absent from unicellular organisms. Even among the simplest multicellular species, such as sponges, tissues are lacking or are poorly differentiated. But multicellular animals and plants that are more advanced have specialized tissues that can organize and regulate an organism’s response to its environment.
The answer is the plant growth, because the dependent variable is what responds to the independent variable.
