Explain the mutualism?
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Explain what is the most abundant form under which nitrogen is found in nature?
Explain why waste is considered one of the major environmental issues?
What is biologic control?
What is numeric pyramid?
Define dry mass?
What are the phytoplankton and the zooplankton?
What are the main factors that affect the growth of a population?
What is parasitism?
Why is the sun the “motor” of the water cycle?
Why transgenics are considered a threat to the environmental safety?
Why waste is considered one of the major environmental issues?
What are some examples of interspecif competition?