During succession the species present changes. Explain why.
The pioneer species (or any other species) changes the environment, making it less hostile. Also some species are better competitors and out-compete others.
AB
Related Biology A Level answers
All answers ▸Why do humans have a double circulatory system?
Part of the retina of a young rat was removed and kept in the dark for two hours. This allowed the pigment in the rod cells to recover from bleaching caused by exposure to light. Suggest what happens in the rod cells during this two hours of darkness.
Explain the electron transport chain and chemiosmosis
What is the difference between haemodialysis and peritoneal dialysis?