Explain the primary energy source for life on earth?
No Answer is Posted For this Question
Be the First to Post Answer
Define a biodigester?
How are ecological interactions classified?
Define ecosystem in your own language?
What are the processes that autotrophic beings use to produce organic material from inorganic substances?
Define biologic control?
Explain what are fossil fuels?
What is the difference between the concepts of food chain and food web?
Explain the main limitations for population growth
Define a food chain?
Explain how are the grasslands of north america and of south america respectively called?
What is Ecology?
Define biodiversity?