Food chain and Social stratification

Food chain noun - (ecology) a community of organisms where each member is eaten in turn by another member.

Social stratification and food chain are semantically related In some cases you can use "Social stratification" instead a noun phrase "Food chain".

Social stratification noun - The condition of being arranged in social strata or classes within a group.

Food chain and social stratification are semantically related in hierarchy topic. You can use "Food chain" instead a noun phrase "Social stratification".