Discover a world of knowledge at Westonci.ca, where experts and enthusiasts come together to answer your questions. Discover the answers you need from a community of experts ready to help you with their knowledge and experience in various fields. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

The term "biodiversity" refers to
a. A study of ecosystems without consideration of the living organisms.
b. The similarities between species.
c. The rate of extinction of species due to human activities.
d. The total number of species, variation of species, and the ecosystems in which they live.
e. The study of food chains within an ecosystem.