Over the past 12,000 years, the greatest loss of biological wealth has resulted from the
A) conversion of natural ecosystems to modern agriculture.
B) movement of human products down rivers and across oceans.
C) extraction of oil and mineral from reserves buried deeply underground.
D) use of deep aquifers, lakes, and rivers as sources of freshwater.
Question 2
In much of India, children suffer from stunted growth, which is tied to a syndrome that includes
A) lack of food, internal parasites and lack of household fuel.
B) animal vectors of viral infection and industrial pollution of water supplies.
C) fecal contamination of water supplies, chronic gastric illness, and the inability to absorb nutrients from food.
D) lack of dietary fiber and protein and fear generated from constant earthquakes.
The skullcap from Trinil, Java is the type specimen for H. erectus and is about 900,000 years old.
Loss of Indian Lands, 1850–2010
Agriculture in 10,000 years ago
Invasive species and the biodiversity loss
There has been a widespread loss of glacier mass globally
An overlapping record extends back thousands of years of tree ring width