The bread wheat species is thought to have arisen in one geographic area due to a mistake during reproduction that allowed a doubling of the chromosome number. What type of speciation is this?

Progress in agricultural productivity, engineering, information technology, commerce, medicine, and sanitation, have made it possible to support approximately ______ times as many people per unit area as was possible 10,000 years ago.

In the U.S. what is the main source of energy?

Which is NOT TRUE of sediments?

Which is NOT TRUE of hydroelectric power?

This mathematical biologist reviewed published estimates spanning 300 years of the maximum human population size the planet can sustain and converged on a median value of 10 to 12 billion.

Which is NOT TRUE of the demographic transition of Brazil from 1960 to 2010?

Which is NOT TRUE of demography?

Global water withdrawal is projected to increase by 55% by 2050 due to growing demand, especially in Asia.

Which of the following is NOT a category of organic biomolecules or compounds with a carbon backbone?