Answer:
Abiotic is basically a non living factor so the answer is
D. Sunlight, temperature , conductivity, dissolved oxygen.
All other options contain one biotic or living factor like algae, star fish and crabs these aren't Abiotic.
Answer:
At the bottom you have the producers aka auto trophic livings (which use inorganic compounds to grow, produce energy, matter and so on..). These organisms would be plants, Cyrano bacteria, over all any organisms that do photosynthesis.
Answer:
An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system.
Explanation: These biotic and abiotic components are linked together through nutrient cycles and energy flows.
Protoplasm<span> is composed of a mixture of small molecules such as ions, amino acids, monosaccharides and water, and macromolecules such as nucleic acids, proteins, lipids and polysaccharides. In eukaryotes the </span>protoplasm<span> surrounding the </span>cell<span>nucleus is known as the </span>cytoplasm<span> and that inside the nucleus as the nucleoplasm.</span>
Independent: amount of sleep
dependent: grades