The two integers you are looking for are 7 and 8 or -7 and -8. if you multiply either of those two together you get 56 and they are consecutive integers.
They could adapt to live together so that for example one starts eating only seaweed while the other starts eating only organic matter so they don't compete for food. They could also adapt like when squirrels are separated into those who eat on trees and those who eat on the ground. The 2 urchin types could split into those who eat of the ground and those that eat what floats and drifts.
Answer:
corn ($9.210 billion) for usa
Canada's Agri-food exports exceeded $51 billion
Because pollution of factory's
The factors contributing to deforestation and Russia are foreign investments, demand for resources, exploitation of wood products and significant income from forest export stimulates logging, both illegal and illegal.
