- 1 Which of these hominin traits seems to have occurred before the others?
- 2 Which of the following represents the strongest evidence that two of the three middle ear bones of mammals are homologous to certain reptilian jawbone?
- 3 In what traits do hominids differ from all other anthropoids?
- 4 Which of these species had members who moved out of Africa?
- 5 What are the 5 hominids?
- 6 What defines a hominin?
- 7 Which of these primate groups is most closely related to humans?
- 8 Why do we have three ossicles?
- 9 Why do reptiles only have one ear bone?
- 10 What are the defining traits of anthropoids?
- 11 What are the most important hominoid features?
- 12 What are the four types of hominids?
- 13 Which hominid left Africa first?
- 14 How did early humans leave Africa?
- 15 Who were the first hominins?
Which of these hominin traits seems to have occurred before the others?
Which of these hominin traits seems to have occurred before the others? Symbolic thought, art, and language.
Which of the following represents the strongest evidence that two of the three middle ear bones of mammals are homologous to certain reptilian jawbone?
Which of the following represents the strongest evidence that two of the three middle ear bones of mammals are homologous to certain reptilian jawbones? These bones can be observed to move from the developing jaw to the developing middle ear in mammalian embryos.
In what traits do hominids differ from all other anthropoids?
The main difference between anthropoids and hominoids is that anthropoids include hominoids and New World and Old World monkeys, whereas hominoids only include humans and apes. Furthermore, monkeys in the group of anthropoids have a tail while hominoids do not have a tail.
Which of these species had members who moved out of Africa?
Homo ergaster (or African Homo erectus) may have been the first human species to leave Africa. Fossil remains show this species had expanded its range into southern Eurasia by 1.75 million years ago.
What are the 5 hominids?
In this website, you will learn about the five important groups of hominids named:
- Australopithecus Afarensis.
- Homo Habilis.
- Homo Erectus.
- Homo Sapiens Neanderthalensis.
- Homo Sapiens Sapiens.
What defines a hominin?
Hominin – the group consisting of modern humans, extinct human species and all our immediate ancestors (including members of the genera Homo, Australopithecus, Paranthropus and Ardipithecus).
Apes, such as chimpanzees, are the primates most closely related to humans.
Why do we have three ossicles?
The ossicles (also called auditory ossicles) are three bones in either middle ear that are among the smallest bones in the human body. They serve to transmit sounds from the air to the fluid-filled labyrinth (cochlea). The absence of the auditory ossicles would constitute a moderate-to-severe hearing loss.
Why do reptiles only have one ear bone?
All reptiles and birds have only one middle ear ossicle, the stapes or columella. The incorporation of the primary jaw joint into the mammalian middle ear was only possible due to the evolution of a new way to articulate the upper and lower jaws, with the formation of the dentary-squamosal joint, or TMJ in humans.
What are the defining traits of anthropoids?
belonging or pertaining to the group of primates characterized by a relatively flat face, dry nose, small immobile ears, and forward-facing eyes, comprising New World monkeys, Old World monkeys, and apes, including humans: these primates were formerly classified into their own suborder, Anthropoidea, which has been
What are the most important hominoid features?
Some characteristics that have distinguished hominins from other primates, living and extinct, are their erect posture, bipedal locomotion, larger brains, and behavioral characteristics such as specialized tool use and, in some cases, communication through language.
What are the four types of hominids?
The Hominidae (/hɒˈmɪnɪdiː/), whose members are known as great apes or hominids (/ˈhɒmɪnɪdz/), are a taxonomic family of primates that includes eight extant species in four genera: Pongo (the Bornean, Sumatran and Tapanuli orangutan); Gorilla (the eastern and western gorilla); Pan (the chimpanzee and the bonobo); and
Which hominid left Africa first?
The extinct ancient human Homo erectus is a species of firsts. It was the first of our relatives to have human-like body proportions, with shorter arms and longer legs relative to its torso. It was also the first known hominin to migrate out of Africa, and possibly the first to cook food.
How did early humans leave Africa?
There is some evidence that modern humans left Africa at least 125,000 years ago using two different routes: through the Nile Valley heading to the Middle East, at least into modern Palestine (Qafzeh: 120,000–100,000 years ago); and a second route through the present-day Bab-el-Mandeb Strait on the Red Sea (at that
Who were the first hominins?
By far the best known early hominin is Ardipithecus ramidus, a 4.4 million year old species from Ethiopia, which is known from a nearly complete skeleton as well as numerous other dental and skeletal remains (White et al. 2009).