No they don't
For example humans. Technically humans are place below a wild predators such as sharks in trophic levels.
But the fact is we can eat sharks. So , organisms don't always stay in the same level
Pro cells have cell wall but eukar don’t
(A) A large amount of nitrates in the water :)
Calamari is the correct answer!
Reptiles require external heat to thermoregulate. If a reptile's temperature gets too low, it will need to find a source of heat to raise its body temperature. In the wild, most reptiles do this by basking in the sun. In captivity, heat lights, heating pad, and other heat sources are provided to allow them to thermoregulate.
