Curated OER
Biodiversity
Jaguars feed on 87 different species, making it a keystone species. What happens when such a critical link of the food chain goes missing? Mr. Andersen identifies different keystone species according to ecosystem, and he explains the...
Science Today
189 New Species
Only two minutes long, this video explains that 189 species of animals were added to the list of known species in the year 2012. An interview with the Dean of Science and Research Collections from the California Academy of Sciences...