☁️Answer☁️
The answer is A. Its organism one because if it got its energy from a biotic source, there would be an arrow pointing towards it.
Answer:
Osteocytes
Explanation:
Between the rings of matrix, the bone cell osteocytes are located in spaces called lacunae.
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Answer:
The Sun
Explanation:
it is essential to doing photosynthesis
Estuaries are areas where fresh water from rivers meets salt water. As the river drains, it carries much nutrient-rich sediment. Many animal species depend on this food source to provide for their young.