What are the processes that autotrophic beings use to produce organic material from inorganic substances?
How can a great biological diversity protect an ecosystem from environmental damages? Why are less biodiverse ecosystems under the risk of suffering deep biological harms if submitted to even small changes?
What is environmental resistance?
Define commensalism?
What is the typical vegetation of the grasslands?
What are some examples of migratory animals?
What does numeric pyramid represent?
Explain nitrogen cycle?
What are colonies and societies?
what are the difference between migration, emigration, and immigration?
What is selective waste collection?
Why is it a big environmental issue?
What is plutonium reprocessing?
What is biodiversity?
Explain the main characteristics of the age pyramids of developed countries?