Answer:
False
Explanation:
Humans:
Nitrogen is represented by the symbol N. It is abundant in the environment but humans can't use it directly from air or soil but depends upon green plants and microbes to convert it in to the usable form for using it
Plants:
Plants do not get their nitrogen directly from the air. Although nitrogen is the most abundant element in the air, every nitrogen atom in the air is triple-bonded to another nitrogen atom to form molecular nitrogen, N2
True false question?
If so think its true
Hope this helps
There were more organisms born than resources can support.
And this led to struggles between organisms and later only the fittest animal survived :)