Primates and Homonids quiz #2 Flashcards
Primates and Homonids quiz #2
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What structure do marsupial opossums and New World monkeys share?
Marsupial opossums and New World monkeys both have a prehensile tail, which is adapted for grasping and holding objects. Of the following species of the genus Homo, which was the first to migrate beyond Africa?
Homo erectus was the first species of the genus Homo to migrate beyond Africa. Which best describes the relationship between chimpanzees and humans?
Chimpanzees and humans share a common ancestor and have a close evolutionary relationship, sharing about 98.8% of their DNA. Which of the following is human's closest living relative? A) Gorillas B) Chimpanzees C) Orangutans D) Gibbons
B) Chimpanzees What are the defining traits of anthropoids?
Anthropoids are characterized by larger brains, complex social behaviors, and features like opposable thumbs. They include monkeys, apes, and humans. Which of the following traits are found in all primate species? Select all that apply. A) Large brains B) Opposable thumbs C) Bipedalism D) Complex social behaviors
A) Large brains, D) Complex social behaviors Which of these are characteristic of hominin species?
Hominin species are characterized by bipedalism, larger brain size, and tool use. Which of the following traits are present in all primates? A) Bipedalism B) Opposable thumbs C) Large brains D) Complex social behaviors
C) Large brains, D) Complex social behaviors Which of the following statements about gorillas are true?
Gorillas are great apes, part of the hominid group, and have opposable thumbs but are not fully bipedal. What was the first hominid to migrate beyond Africa?
Homo erectus was the first hominid to migrate beyond Africa. What are the two suborders of primates?
The two suborders of primates are prosimians and anthropoids. The hominins include which species?
Hominins include species such as Australopithecus and Homo, including Homo sapiens. Which of the following terms refers to humans and their immediate ancestors?
Hominins Which primate group is classified as hominins?
Hominins are a group of primates that include modern humans and their immediate ancestors. Which of the following statements about primates are true?
Primates are characterized by large brains, complex social behaviors, and some have opposable thumbs. Which of the following statements regarding apes and humans are true?
Apes and humans share a common ancestor, and humans are the only fully bipedal species among the great apes. Which of the following are characteristics of primates? A) Large brains B) Bipedalism C) Complex social behaviors D) Prehensile tails
A) Large brains, C) Complex social behaviors Which feature is common to all primates?
All primates have large brains relative to their body size. What was a trait that both humans and chimpanzees have?
Both humans and chimpanzees have opposable thumbs. Catarrhines have which of the following traits? A) Prehensile tails B) Downward-facing nostrils C) Large brains D) Bipedalism
B) Downward-facing nostrils, C) Large brains Which species is our closest living relative?
Chimpanzees are our closest living relatives. What are the main characteristics that define primates, and how are they divided into major groups?
Primates are defined by large brains, complex social behaviors, good parental care, and features like opposable thumbs for grasping and tool use. They are divided into two major groups: prosimians (e.g., lemurs, lorises, tarsiers), which have more primitive features, and anthropoids (monkeys, apes, and humans), which have larger brains and more advanced traits. Why is bipedalism considered a significant trait in human evolution, and which primate is fully bipedal?
Bipedalism, or walking on two feet, is significant because it is a key adaptation in human evolution, allowing for efficient locomotion and freeing the hands for tool use. Among primates, only humans (Homo sapiens) are fully bipedal as adults. What evidence suggests a close genetic relationship between Homo sapiens and Neanderthals, and what are some theories about the disappearance of Neanderthals?
Homo sapiens and Neanderthals share about 99.7% of their DNA, indicating a close genetic relationship. Theories about Neanderthal disappearance include assimilation through interbreeding with Homo sapiens, making them a subspecies, or extinction due to competition or violence from Homo sapiens.
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