Which is not true of historical pesticide use?

Synthetic N fertilizer is made from ___________ , while P & K are mined.

What is the number of children needed per couple in more-developed nations to have zero population growth?

Which 3 crops provide most of the nutrients to humanity?

Which definition of species emphasizes cladistic relationships (the branches on a taxonomic tree)?

Pesticide exposure to children in the home may be greater than the pesticide residue on food.

Developed nations, such as the U.S., have the richest biodiversity and are the main sources of endangered animal and plant products despite international bans on trade. The Developing nations are the principal buyers.

3 Billion people on Earth suffer from vitamin, mineral or protein deficiency.

Most major improvements in farm production have come from increasing the number of edible species to be used as crops.

Which is not true of extinction of species?