Because it is excessive richness in a body of water, due to frequent run off. It can cause death to plant and animal life due to lack of oxygen
Answer:
Ecological pyramid is a graphical representation showing the biomass or bioproductivity at each trophic level in a given ecosystem.
Limitations
The ecological pyramid does not take into account the same species belonging to more than one trophic level.
answer is the first1 off spring to parants
Answer:3/4
Explanation:4 possibilities, 3 dominant
