The answer is A.
Why: The heart is part of an organism, so that doesn't exactly count. Soil is not alive, and neither is clay. Therefore, Bacteria must be it. Bacteria is a living thing, and can function by itself.
The sun is the ultimate source of energy and the process is Photosynthesis.
The answer to this question is D
.
Answer:
to see blood or to see fingerprints or footprints
Explanation:
if this helps could you please give brainliest
Genetics is the study of genes.
