Answer:
Xylem & Phloem are two types of vascular tissue found in plants.
Enzyme- they are also known as natural catalysts.
RNA has great capability as a genetic molecule; it once had to carry on hereditary processes on its own. It now seems certain that RNA was the first molecule of heredity, so it evolved all the essential methods for storing and expressing genetic information before DNA came onto the scene.
Lamarckism also known as Lamarckian inheritance
That's how the food chain works. There isn't much to it.
