For evolution to occur, both ________ and ________ are necessary
Fill in the blank(s) with correct word
mutation; natural selection
You might also like to view...
What is silent trade?
a. Trade in which there is no fixed value associated with the goods being exchanged b. Trade in which the partners never know each other’s identity c. Trade in which the items being exchanged are not known in advance (one accepts whatever is offered) d. Trade in which the partners have no face-to-face contact e. Trade in which no goods are exchanged—only services
Given what we know about the adaptive significance of human skin color, and the fact that, until 800,000 years ago, hominids were exclusively creatures of the tropics, it is likely that lightly pigmented skins are quite an ancient development in human history
a. True b. False Indicate whether the statement is true or false
What do bonobos use to mark trails for communication?
a. Piles of small stones b. Large leaves c. Sticks that point the way d. Piles of dirt e. Flowers
_________ was an 18th century thinker who believed that living forms changed in response to the environment yet still rejected the idea that one species could give rise to another
a. John Ray b. Alfred Russel Wallace c. Georges Cuvier d. Erasmus Darwin e. Georges-Louis Leclerc de Buffon