What is the primary cause of the loss of Amazon rainforest biodiversity?
Deforestation for agriculture, logging, and infrastructure development is the leading cause of biodiversity loss in the Amazon rainforest. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Organism and Population, Ecosystem and Biodiversity, Topic: Ecological interactions and conservation.