Answer:
D. abiotic factors
Explanation:
Some examples of abiotic factors are water, soil, air, sunlight, temperature, and minerals.
They float around and they give signals
Is a branch of science concerned with the description, prediction, and understanding of natural phenomena, based on observational and empirical evidence.
The number of producers is greater then the number of consumers , primary consumers is greater then the number of secondary consumers and the secondary consumers is greater then the number of tertiary consumer
