Match the term with its definition.
1. environmentalism
2. natural resource system
3. global warming
a)a group of natural resources, such as land, water, animals, and forests, which are connected to economic efforts and environmental sustainability
b)a process designed to increase awareness of, and protection for, natural resources
c)gradual increase in the earth’s temperatures that occurs due to gas emissions resulting from the use of fossil fuels and pollution

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.