A) Alexander von Humboldt B) Charles Darwin C) John Muir D) Henry David Thoreau
A) Natural selection B) The food chain C) The interconnectedness of nature D) Survival of the fittest
A) The food web B) The ecosystem C) The balance of nature D) The web of life
A) Naturalist and explorer B) Artist C) Author D) Politician
A) Charles Darwin B) Isaac Newton C) Galileo Galilei D) Albert Einstein
A) The Rockies B) The Alps C) The Himalayas D) The Andes
A) A fascination with natural sciences B) An emphasis on industrial progress C) Increased religious fervor D) A decline in interest in science
A) 20th century B) 18th century C) 21st century D) 19th century |