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

Aortic and pulmonary orifices, These circular orifices are located at the u...

These circular orifices are located at the upper ends of the outflow parts of the left and right ventricles respectively. The pulmonary orifice which is 3 cms, is 0.5 cm larger tha

Steroid and thyroid hormones, Steroid and Thyroid Hormones Cytoplasmic...

Steroid and Thyroid Hormones Cytoplasmic receptors for steroids are proteins with two subunits that bind to the steroid molecules. When both receptor sites are occupied by the

Cell Division, What is the difference between Mitosis and Meosis?

What is the difference between Mitosis and Meosis?

Are the phloem and the xylem made of living cells, Are the phloem and the x...

Are the phloem and the xylem made of living cells? The cells of phloem are living cells and the cells that constitute the xylem ducts are dead cells killed by the lignin deposi

Light and distribution, Light and Distribution We have mentioned in the...

Light and Distribution We have mentioned in the beginning that the variation in the amount of light generally affects the global and local distribution of plants and animals. L

frog, what is the xternal & internal respiration in fro

what is the xternal & internal respiration in frog

Devices for controlling of particulate emissions, Particulate matter in gas...

Particulate matter in gaseous effluents consists of particles of size ranging from 0.1 um to 100 um. The device selection is based upon physical and chemical characteristic of part

Explain the term lipids, Explain the term Lipids? If somebody discovers...

Explain the term Lipids? If somebody discovers that you have some knowledge of nutrition, you will be promptly shooted with two questions, first, "Oh! You really can tell how m

Define general purpose and specialized culture media, Define General Purpos...

Define General Purpose and Specialized Culture Media? General purpose media - These support the growth of many microorganisms. Example: nutrient agar, trypic soy agar etc. S

Classification of wastes, Wastes are classified into following categories: ...

Wastes are classified into following categories: 1. Biodegradable wastes: The waste materials that can be degraded by micro-organisms are called biodegradable wastes. Th

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages