Evolutionary changes in humans, Biology

Assignment Help:

Evolutionary changes that occurred in humans are -

Development of prominent chin. Increase in cranial capacity. Reduction of brow-ridges.
Development of speech. Development of community life. Reduction in the size of teeth.
Reduction of muscles. Gradual development of thumb opposability. Development of shorter fore limbs.
Liberation of hands for locomotory function. Slow assumption of erect posture.

Related Discussions:- Evolutionary changes in humans

Draw a diagram of transverse section of the spinal cord, Draw a diagram of ...

Draw a diagram of transverse section of the spinal cord showing reflex are and label the following parts: (i) Afferent nerve fibre (ii) Grey matter (iii) Motor nerve fibre

Biochemical changes, Biochemical Changes Many workers have tried to fo...

Biochemical Changes Many workers have tried to follow the biochemical changes that precede flowering and result in meristems which give rise to flowers instead of vegetative s

Effect of genetic drift, Is the effect of genetic drift likely to be the sa...

Is the effect of genetic drift likely to be the same in pop 1 and pop 2? How are genetic drift and pop size related? when there is strong selection against the homozygous recessive

What is the charge on the tripeptide, Answer the following eight questions ...

Answer the following eight questions (a through h) based upon a tripeptide sequence of the following amino acids (one-letter codes are given): S (serine) P (proline) K (lysine)

Thermal fluctuations and bonds, The stabilization energy of a bond or inter...

The stabilization energy of a bond or interatomic interaction is the change in energy upon breakage of a bond between two atoms (i.e., the change in energy when the atoms are moved

Variation, full variation topic

full variation topic

Plant responses., Why do climbers such beans plants coil up a post?

Why do climbers such beans plants coil up a post?

What are the cells that produce the myelin sheath, What are the cells that ...

What are the cells that produce the myelin sheath? Of which substance is the myelin sheath formed? In the central nervous system (CNS) the myelin sheath is made by apposition o

What are the reproductive novelties, Q Do beings of the class Reptilia have...

Q Do beings of the class Reptilia have indirect or direct development? In beings of the class Reptilia the embryonic development is direct. So there is no larval stage. Q.

Define a tumbler garden, A tumbler garden Grow several kinds of seeds i...

A tumbler garden Grow several kinds of seeds in 'tumbler gardens'. Every pupil might grow a tumbler garden of his own and keep a day by day pictorial record of the progress of

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages