Which plant acts as the control for this experiment

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

The tubes transporting minerals and water upward are called ?

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