Biodiversity is a term used to describe the enormous variety of life on Earth. It refers to every living thing, including plants, bacteria, animals, and humans.
Known as an ERCP = endoscopic retrograde cholangio-pancreatography
For this answer it would be Diffusion.
A.) The slant of the Earth is called Axial Tilt
B.) The Earth’s axis is tilted 23.5 degrees