The remains of traces of an organism preserved from the geologic past.
True, everything is made up of matter
<span>organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere. These have been arranged from the smallest to the largest. The biosphere is the largest level of organization while the organelle is the smallest. However, the basic form of life begins with the cell. Many cells together form a tissue and several tissue form an organ.
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A group of tissues working together is an organ.
ANSWER:
A. an organ
