What does the "rivet popper hypothesis" illustrate about biodiversity loss?
The rivet popper hypothesis, proposed by Paul Ehrlich, suggests that the gradual loss of species weakens ecosystems, similar to how losing rivets weakens an airplane.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Biology - Botany portion covering relevant concept, Topic: Plant structure, physiology and applications.