Atype of lichen grows on rocks at the base of a waterfall. which factor in the lichen's environment is abiotic?

According to the cladogram, which organisms have roundworms as a common ancestor?

Which chemical equation is unbalanced? which chemical equation is unbalanced

One function of the immune system is to attack the foreign cells to protect the body. in organ translate , the body recongnizes that the new organ is made of foreign cells. wha kind of medicine would you give a patient to increase the chances of transplate success