Answer: ecosystem
An ecosystem is a community of living and non-living components. A coral reef is an aquatic ecosystem which is formed by a continuous walls of calcium carbonates released by living animals they get combine to form rocks. These rocks and walls are collectively called as hard stony corals. These hard stony corals provide shelter to many aquatic animals like fishes. As the water is the chief abiotic factor along with coral walls and rocks which help in the survival of living organisms therefore, ecosystem is the largest organizational level found in one coral reef.
Alleles are the alternative form of a gene that code for a given trait, the alleles may be dominant or recessive or exhibit incomplete dominance. When two alleles are similar they are referred to as homozygous while they are not similar they are referred to as heterozygous. Based on the founder effect, rare alleles and combinations may be improved in new populations because of the reduced size of the initial population.
Answer:
Metamorphic rocks are caused by heat and pressure
The time that processing plant proprietors required a loyal and trained workforce. Social conflict is the battle for organization or power in the public eye. Social conflict or gathering struggle happens when at least two on-screen characters contradict each other in social association, correspondingly applying social power with an end goal to achieve rare or inconsistent objectives and keep the adversary from accomplishing them.