Trace fossil because a trace fossil is a fossil of a footprint, trail, burrow, or other trace of an animal rather than of the animal itself.
Answer:
the hormone that regulates the salt and water levels is aldosterone found on the adrenal gland that sits above the kidney
Explanation:
1. DNA 2. asexual reproduction 3. sexual reproduction 4. metabolism 5. stimuli 6. homeostasis 7. Evolve
