Animals use pheromones to communicate

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?