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

Describe food applications of alginate, Food Applications of alginate O...

Food Applications of alginate One of the most unusual properties of the alginates has been the ability of soluble alginate salts to produce attractive, edible gels or jellies.

Define central nervous system, Q. Define Central nervous system? The ne...

Q. Define Central nervous system? The nervous system begins as a simple tube during embryonic development (then anterior part expands and also ventricles are formed). Foreb

Brain, How brain thinks?

How brain thinks?

Explain gene expression - nutrient gene interactions, Explain Gene Expressi...

Explain Gene Expression - Nutrient Gene Interactions? The last two decades have witnessed tremendous development in our understanding of the cellular processes at the molecular

Plant physiology, why does the removal of extremity of coleoptile prohibit ...

why does the removal of extremity of coleoptile prohibit plant growth?

Regional specialisation, Regional Specialisation Regional specialisati...

Regional Specialisation Regional specialisation takes place usually by three processes – 1) Restriction of certain structures to a few segments, for example, gonads are res

Explain innate immunity, Distinguish among epimorphic and morphallactic reg...

Distinguish among epimorphic and morphallactic regeneration, giving single example of each. Explain innate immunity. Name and explain the category of barrier which includes mac

Functions of testis, Functions of Testis The testis performs the follo...

Functions of Testis The testis performs the following two functions: Proliferation of spermatozoa and Secretion of steroid hormones

Aldoses and ketoses, A carbohydrate is composed of carbon (carbo-), and...

A carbohydrate is composed of carbon (carbo-), and hydrogen and oxygen (-hydrate). The easiest carbohydrates are the monosaccharides that have the common formula (C

What emergency department after an automobile accident, An 22 year old man ...

An 22 year old man is admitted to the emergency department after an automobile accident. He has not lost a large amount of blood, but he suffers from a severe crush injury to hi

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages