⟩ The set difference of the set A with null set is ________. a) A b) null c) U d) B
a) A
a) A
What is the difference between the concepts of food chain and food web?
What are the three main types of tropic pyramids studied in Ecology?
What is the gross primary production of an ecosystem? How does GPP relate to photosynthesis?
What benefits can commensalism offer to a species?
What are some examples of interspecif competition?
What is parasitism?
What are the factors that for influencing photosynthesis also interfere with the gross primary productivity?
What is the formula of the net primary production (NPP)? How does NPP relate to the energy pyramids?
What are biogeochemical cycles?
What is the water cycle?