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You are reading a scientific article about cheetahs that have stripes instead of spots. The article refers to this as a genetic mutation. Though you see they have no negative impact on the cheetahs’ fitness, the stripes are nevertheless considered […]

Linnaeus’s taxonomic system is referred to as a “hierarchy” because: a. each species has a “higher level” genus and “lower level” species, and are placed within additional higher level categories. b. species are placed in a ranked list called the […]

The diversity of the hominins included increasingly specialized: a. locomotion. b. social patterns. c. body sizes. d. diets. A symptom of anemia where spongy bone invades the eye sockets is called: a. hyperostosis. b. trabeculitis. c. orbital arthritis. d. cribra […]

Gene flow differs from genetic drift because it is the: a. random change in the frequency of alleles. b. random change in a gene or chromosome. c. guiding force of evolution. d. spread of new genetic material from one gene […]

The last 10,000 years is called the: a. Cenozoic. b. Quaternary. c. Solutren. d. Holocene. In certain species of nonhuman primates there are groups where only one dominant female has access to mates. The other females must wait until the […]

Arboreal adaptation is: a. adaptation to life in the trees. b. the ability to brachiate. c. adaptation to life in the savanna. d. the ability to move on four limbs. Primate societies are complexly organized. This means: a. several species […]

The discovery of Kenyanthropus platyops was important mainly because: a. it had a small brain like an ape’s. b. it was discovered in Kenya. c. it showed diversity in the hominin fossil record 3.5 mya. d. it probably lived in […]

Thick dental enamel in _______ helps with crushing food. a. apes b. australopithecines c. humans d. eosimians What makes it possible for humans to accumulate an amazing amount of information over long periods of time? a. social learning b. television […]

Ardi was adapted to life in trees and: a. on the ground. b. in the desert. c. near water. d. both b. and c. The most distinctive traits about the cold adaptation complex of Neandertals are: a. the suprainiac fossa […]

Microsatellites are: a. small satellite transmitters used in genetic research. b. useful for determining group but not individual identification. c. highly individualized repetitive stretches of nuclear DNA. d. known from Watson and Crick’s 1950’s research. Which of the following is […]

Old World monkeys have: a. Y-5 molars. b. two sets of molars. c. bilophodont molars. d. one-inch molars. Some cases of anemia, which cause red blood cell production to increase in response to iron deficiency or blood loss, may lead […]

What are three key attributes related to human uniqueness? a. eating, sleeping, and watching television b. increased hunting, speech, and dependence on domesticated food c. hunting, avoiding predators, and tool making d. sleeping, hunting, and making clothing Strepsirhines have a […]

Which of the following is a derived trait of Sahelanthropus tchandensis? a. big toe opposability b. larger body size c. length of the calcaneus d. nonhoning chewing complex Somatic cells are characterized by all of the following EXCEPT: a. each […]

Plesiadapiforms are also called: a. proprimates. b. dryopithecids. c. proconsulids. d. adapids. Sexual dimorphism: a. refers to the mating rites of primates. b. concerns differences in body size and canine size. c. refers primarily to male and female social hierarchy. […]

In class your professor shows you an MRI scan of a primate brain. The professor points out the relatively large size of the olfactory bulb beneath the frontal lobe. This suggests to you that this: a. primate exhibits a derived […]

The suborder prosimians includes: a. only nocturnal species. b. only diurnal species. c. diurnal and nocturnal galagos. d. diurnal and nocturnal lemurs. The American economist David Seckler incorrectly hypothesized that: a. growth accelerates and decelerates according to various life stages. […]

Brachiation refers to: a. using the forelimbs to move from tree limb to tree limb. b. quadrupedal locomotion including the use of a tail. c. clinging and leaping locomotion in an arboreal environment. d. bipedality in nonhumans. Children living at […]