They would most likely also become extinct, since they require them to "Fix the nitrogen" during photosynthesis, they have a "You need me, I need you" kind of thing. One can't live without the other.
C, The lack of evolution in pathogens is the contributing reason behind emerging disease in human beings.
Parents that are loving and caring will most likely raise one that is similar. On the other hand, a parent that is abusive and mad constantly, will raise one that is mad and moody as well.
Answer:
There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids); each is an important cell component and performs a wide array of functions.
Explanation:
the most relative answer would be coral reef all the others are rocks and a big river and they are not secondary successions