They hide in places like driftwood and vegetation
It can change one thing into onether witch sometimes can be bad
The temperature increases as you go deeper in the aquatic system.
The neurons conduct impulses over relatively long distance in the body. This is facilitated by their long cytoplasmic extensions
Answer:
Bacteria.
Explanation:
Virus, Parasite, and Fungi all use a host for pure personal gain. Some strains of bacteria are beneficial, and are ingested regularly in the form of probiotics.
