- The accumulation of differences between populations that once formed a single population is called a. coevolution. b. adaptation. c. divergent evolution. d. cumulative differentiation.
- What is the idea developed by Charles Lyell which states that the geologic processes that shaped Earth in the past continue to operate in the same way today? a. inheritance of acquired characteristics b. catastrophism c. uniformitarianism d. descent with modification
- Since natural resources are limited, all organisms a. must migrate to new habitats. b. must compete for resources. c. display vestigial structures. d. have inherited characteristics.
- Refer to the illustration above. The similarity of these structures is one form of evidence that the organisms a. share a common ancestor. b. all grow at different rates. c. evolved instantaneously. d. live for a long time.
- Asian Russia occupies all the territory east of what mountain range
- Over millions of years, plants and their pollinators have a. coevolved. b. crossbred. c. become parasites. d. become competitive.
- The process in which two or more species become more adapted over time to each other's presence is called a. divergence. b. radiation. c. coevolution. d. competition.
- Animal fossils may form when a. an animal is buried by sediment. b. an animal is buried on the ocean floor, in swamps, in mud, or in tar pits. c. an animal's tissue is replaced by harder minerals. d. All of the above
- Homologous structures in organisms provide evidence that the organisms a. share a common ancestor. b. must have lived at different times. c. have a skeletal structure. d. are now extinct.
- With the exception of some juveniles, what is the primary trial court for hearing felony cases?
- Evidence that evolution occurs includes all of the following except a. acquired characteristics. b. similarities and differences in proteins and DNA sequences between organisms. c. the fossil record. d. homologous structures among different organisms.
- The beak of a bird and the beak of a giant squid evolved independently and serve the same function. The beaks are a. divergent structures. b. homologous structures. c. analogous structures. d. hybrid structures.
- Refer to the illustration above. An analysis of DNA from these organisms would indicate that a. they have identical DNA. b. they all have the same number of bones. c. their nucleotide sequences show many similarities. d. they all have the same number of chromosomes.
- The major idea that Darwin presented in his book The Origin of Species was that a. species change over time and never compete with each other. b. animals change, but plants remain the same over time. c. species may change in small ways but cannot give rise to new species. d. species change over time by natural selection.
- Refer to the illustration above. The bones labeled "X" can be referred to as a. vestigial structures. b. sequential structures.c. homologous structures. d. fossil structures.
- The process by which a population becomes better suited to its environment is known as a. accommodation. b. variation. c. adaptation. d. acclimation.
- Darwin thought that the animals of the Galápagos Islands were similar to those of the nearby coast of South America because a. the animals' ancestors had migrated from South America to the Galápagos Islands. b. the animals had all been brought to the islands by humans. c. the islands had slowly drifted away from the mainland. d. the animals in both places had evolved in nearly identical environments
- The modern synthesis of evolutionary theory predicts that a. closely related species will show similarities in DNA sequences. b. if species have changed over time, their genes should have changed. c. closely related species will show similarities in amino acid sequences.d. All of the above
- Darwin drew ideas for his theory from observations of organisms on a. the Samoan Islands. b. Manhattan Island. c. the Hawaiian Islands. d. the Galápagos Islands.
- When Darwin published his first book about evolution, he included all of the following ideas except a. the idea that species change slowly over time. b. the idea that some organisms reproduce at a greater rate than others. c. the idea that species are permanent and unchanging. d. the idea that some species become better suited to their environment than others.