Why Has the Loss of Biodiversity Become a Significant Issue

Why has the loss of biodiversity become a significant issue for scientists, policy-makers, and the general public?

A) The loss of biodiversity has a direct impact on resources that humans need, so it is in the best interest of humans to protect biodiversity.
B) The loss of biodiversity is a moral and ethical concern. Many feel all living organisms have a right to live.
C) Humans have been responsible for much of the loss of biodiversity. Therefore, many feel it is the responsibility of humans to save those that are left.
D) Both a and c
E) All of the above