What are the phyletic characteristics present in adult Homo sapiens?

What are the phyletic characteristics
present in adult Homo sapiens?

Expert Solution

Ans. - In modern species back of the skull is rounded and indicates a reduction in neck muscles. modern Homo sapiens skulls have a short base.

orbits (eye sockets) are square rather than round. These are in accordance to the nature, these changes were due to evolution to get adapt according to Nature.

There are a number of trends in the evolution of the proto-hominins to modern Homo sapiens.

The forward movement of the foramen magnum.

A reduction in the size of the canines.

An increase in the size of the molars.

Disappearance of the diastema (gap between the incisors and canines).

An increase in cranial capacity.

A decrease in prognathism (jutting forward of the bottom part of the face).

Thinning of the bone.

Rounding of the skull.

The most significant trend in the evolution of modern man (Homo sapiens) from the ancestors is increasing brain capacity. The human species developed a much larger brain than that of other primates, over twice the size of that of a chimpanzee or gorilla.

If you have any doubt then mention in comment.

gladiator answered 1 year ago

Characteristics Chimpanzee Australopithecus africanus Homo erectus Homo neanderthalensis Homo sapiens sapiens (Cro-Magnon) Homo sapiens (modern human)...

Characteristics Chimpanzee Australopithecus africanus Homo erectus Homo neanderthalensis Homo sapiens sapiens (Cro-Magnon) Homo sapiens (modern human) Cranial Breadth (cm) 9 9 13 14 14 13 Cranial length (cm) 15 16 19 21 19 18 Cranial Index (%) 60% 56.25% 68.4% 66.7% 73.7% 72% Face Breadth (cm) 9 11 11 12 11 10 Skull Proportion Index (%) 100% 81.8% 118.2% 116.7% 127.3% 130% Brow Ridges (very pronounced, pronounced, slight) Very pronounced Very pronounced Very pronounced pronounced Pronounced/slight Slight Forehead (very sloping,...

What is the difference between Homo sapiens and Homo neanderthalensis in terms of brain case (the...

What is the difference between Homo sapiens and Homo neanderthalensis in terms of brain case (the part of the brain containing skull) In terms of teeth, how is Homo sapiens different from Homo neanderthalensis? How is Homo sapiens different from Homo neanderthalensis in terms of the face, including the jaws (and the projection of the jaws)?

Discuss the relationship between Homo sapiens, Homo neanderthalensis, Homo heidelbergensis, Homo floresiensis and Denisovan hominid.

What are the skeletal and behavioral traits that define modern Homo sapiens? What are the evolutionary...

What are the skeletal and behavioral traits that define modern Homo sapiens? What are the evolutionary explanations for its presence?

The Mousterian stone tool industry is associated with which of the following hominins? A-Homo sapiens B-Homo...

The Mousterian stone tool industry is associated with which of the following hominins? A-Homo sapiens B-Homo habilis C-Homo neanderthalensis D-Homo erectus

C) What do the Skhul fossil suggest about the emergence and dispersal of Homo sapiens? Did...

C) What do the Skhul fossil suggest about the emergence and dispersal of Homo sapiens? Did H. sapiensemerge in Africa and successfully migrate out of Africa in one wave? Or were there waves of unsuccessful migrations during the evolution of our species?

Should Neandertals be included in our species (Homo sapiens neanderthalensis) or should they be their own...

Should Neandertals be included in our species (Homo sapiens neanderthalensis) or should they be their own species (Homo neanderthalensis)? Why or why not? (Use evidence to back up your stance and cite your sources.)

1. It is thought that all Homo sapiens originated from a breeding population of __________________ individuals....

1. It is thought that all Homo sapiens originated from a breeding population of __________________ individuals. a. 600 b. 2000 c. 5000 d. 10000 2. What is the "pit of bones" in Northern Spain? a. Where 30 complete skeletons of H. heidelbergensis were found. b. A 50' vertical shaft. c. A primitive burial site. d. All of the above. 3. Teeth can tell us how fast Neanderthal children were growing. True False 4. Humans take _____________ as chimpanzees to reach...

Briefly discuss the process of evolution in producing our species, Homo sapiens. What was/were the trend/s...

Briefly discuss the process of evolution in producing our species, Homo sapiens. What was/were the trend/s in hominin evolution? What role does evolution play in producing human variation? How do we study and attempt to understand human variation? Why?

3.Which of the following is not prokaryotic? Homo sapiens Archaea Bacteria Fungi Both a and d

Question