Exam 6: The Living Primates

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The statement that skeletal and dentition similarities of hominoids point to a common ancestry refers to the fact that the physical characteristics and dental features of hominoids, including humans, chimpanzees, gorillas, and orangutans, suggest that they share a common evolutionary ancestor. These similarities can be observed in the structure of their skeletons, such as the shape and size of their skulls, the arrangement of their teeth, and the structure of their hands and feet. Additionally, their dentition, including the number and types of teeth, as well as the patterns of tooth wear, also show striking similarities across hominoid species. The significance of this statement lies in its support for the theory of evolution and the relatedness of all living organisms. By studying the skeletal and dental similarities of hominoids, scientists can gain insights into the evolutionary history of these species and understand how they have adapted and diverged over time. This information can also provide valuable evidence for the common ancestry of humans and other hominoids, reinforcing the idea that all life on Earth is interconnected and has evolved from a shared ancestor. Furthermore, understanding the similarities in hominoid skeletal and dentition features can also have practical implications for fields such as anthropology, paleontology, and medicine. It can help researchers reconstruct the evolutionary relationships between different hominoid species, track the development of specific traits, and even provide insights into human health and disease by comparing our anatomy with that of our closest relatives. Overall, the study of skeletal and dentition similarities in hominoids is crucial for understanding our own evolutionary history and the broader context of life on Earth.

A) monkeys
B) apes
C) lorises
D) humans

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A) only when they are likely to conceive.
B) at any time during the year.
C) when the moon is blue.
D) when the moon is full.

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A) hylobates
B) pongids
C) cercopithecines
D) hominids

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A) insects.
B) plants.
C) stars.
D) primates.

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A) lemurs
B) tarsiers
C) lorises
D) chimpanzees

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A) expanded cerebral cortex capacity.
B) lower cuspids have five cusps with a Y shaped groove.
C) bipedalism.
D) all of the above

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A) howler monkey.
B) bonobo.
C) orangutan.
D) human primate.

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A) hominids are not very inventive.
B) hominids avoid social contact.
C) hominids have a greater capacity to learn.
D) hominids actually care little for culture.

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Some of the areas of studying primates t...

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A) time of day species is active, where it is active, and the kinds of foods eaten.
B) time of day species is active, where it is active, and time of year it was born.
C) time of day species is active, the kinds of foods eaten, and how much is eaten.
D) where it is active, the kinds of foods eaten, and how much is eaten.

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A) less than
B) the same as
C) more than
D) The prosimians don't resemble other mammals at all.

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A) more time to observe and learn complex behaviors essential to survival.
B) few options for their self-care.
C) to grow old around their parents.
D) very little chance for growth and development.

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A) dinosaurs
B) mammals
C) primates
D) rats

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C

A) important in the development of young monkeys.
B) frivolous.
C) harmless.
D) harmful.

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A) nocturnal activity.
B) amount and density of food.
C) competition over resources.
D) all of the above.

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D

A) how old the primate is.
B) how the primte was raised.
C) the relative brain size, or ratio of brain size to body size.
D) how often any particular species is studied.

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A) three premolars
B) arboreal
C) two premolars
D) prehensile tail

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