D. Ecosystems are important in maintaining the good chain among all the organisms within it, which contributes to a high value of biodiversity
The correct answer would be petting infected areas, vaginal intercourse, oral intercourse, and intercourse.
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Light. That's the chemical equation for photosynthesis
Flowers and pollinating insects are examples of <span>coevolution. </span>
Answer:Tissue
Explanation:Heart muscle cells beat in unison to push blood in timing with the rhythm of the heart, at the direction of nearby nerve cells. These muscle cells could best be called. Tissue. As cell division proceeds, the cells increase in number, but also become specialized in structure and function.
