living things are conected by using there adaptations to help them survie. like in the fall,black bears will eat more to store fat in there bodies. this helps them to survive long winters with little food
when one thing is removed from the food chain, like lion on top and deer in the middle and grass on the botem then if we take the grass away then the deer will die and then the lion will have no food then will so die.
thats my 1 and 2 ansers for number one i got that from page 336 and for number two i got the ansers from page 322 and 333