Answer:
a control
Explanation:
you need something to compare it to to see if anything happens
In a food web there is a hierarchy, if any one of the parts of a food web is changed it can effect the parts above that may consume it, or the parts below that it may consume. Since the food web relies on balance and a hierarchy, if something changes it could disrupt the balance and flow of energy in the food web.
Answer:
Mutualistic means that both organisms benefit.
Explanation:
The acacia tree provides shelter and food to the ants, while the ants protect the tree from other animals.
Answer:
its either A or D I think that it's a but im not 100%sure
