Answer:
Ocean Thermal Energy Conversion (OTEC)
Explanation:
Its b. Ecosystem
Population is the number of a species in an area, it has nothing to do with physical characteristics.
Abiotic is just an adjective meaning not alive
Competition is just the interactions between organisms in the struggle for food, water, space, mates, and many other things again not physical characteristics
Answer: 1. survive on its own. 2. It can reproduce quickly 3. outer covering
4. microorganisms. pls give me brainliest thanks
