What was the underlying cause for loss of species richness and ecological meltdown associated with Lago Guri area?

What percent of Earth’s mammals are threatened with extinction?

The biomass of our livestock and pets exceeds the biomass of wildlife.

What species of bird is the “Corredor Biologico Pajaro Campana” project actively trying to help protect?  

Which of the following coffee farming practices would you suspect to have least problems with insect pests?

Of all the trophic categories, top predators are least vulnerable to deforestation and fragmentation.

Which one of the following is not posing a threat to biodiversity?

Agricultural societies can gain more calories per land area than hunter gatherers can.

How some tropical forest species are coping with higher temperatures due to  global warming

Through social programs that address issues of poverty, there is also potential to address