What are the differences between the age pyramids of developed and under developed countries?
No Answer is Posted For this Question
Be the First to Post Answer
What are primary consumers? Can food chain present quaternary consumers without having secondary or tertiary consumers? Can a tertiary consumer of one chain be a primary or secondary consumer of another chain?
Can food chain present quaternary consumers without having secondary or tertiary consumers?
What are heterotrophic beings?
How are the grasslands of North America and of South America respectively called?
What is the respective importance of water, carbon, and nitrogen for the living beings?
Define dry mass?
How is gpp related to photosysnthesis?
Define predatism?
Can the amount of available energy in a given tropic level to be larger than the available energy in inferior tropic levels? What does that condition means to the conformation of the energy pyramids?
Explain why transgenics are considered a threat to the environmental safety?
What are the differences between the age pyramids of developed and under developed countries?
Why plutonium reprocessing is a big environmental issue?