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

What happens at the molecular level, An enzyme isolated from a mutant bacte...

An enzyme isolated from a mutant bacterium grown at 20 degrees celsius works in a test tube at 20 degrees celsius but not at 37 degrees celsius( 37 degrees celsius is the temperatu

What is polyembryony, What is polyembryony? Polyembryony is the phenome...

What is polyembryony? Polyembryony is the phenomenon in which a single embryo in its initial embryonic stage separates itself forming many new individuals of the similar sex an

Phases of ovarian cycle, Phases of Ovarian Cycle In non-mammalian vert...

Phases of Ovarian Cycle In non-mammalian vertebrates the ovarian cycle consists of the following phase; Pre breeding phase Breeding phase and Post breedin

Determine the isotopes of uranium and thorium, Does radioactive dating with...

Does radioactive dating with isotopes of uranium and thorium provide an estimate of the starting, middle, or end of the period of Earth's formation? Explain your answer No, th

Treatment of congestive cardiac failure, Q. Treatment of congestive cardiac...

Q. Treatment of congestive cardiac failure? A judicious and careful co-ordination between oxygen support, drug therapy and nutrient intake can help in alleviating majority of t

Historically what were the two main evolutionary theories, Historically wha...

Historically what were the two main evolutionary theories? The two major evolutionary theories were darwinism and lamarckism.

What are the basic type of neurons, Q. According to the function of the tra...

Q. According to the function of the transmitted neural impulse which are the types of neurons? How different are the concepts of afference and efference of the neural impulse trans

What anatomical direction with respect to occipital cortex, The frontal cor...

The frontal cortex is in what anatomical direction with respect to the occipital cortex? a. anterior b. posterior c. sagittal d. inferior

Food chain - ecosystem, Food Chain - Ecosystem In a food chain, the fo...

Food Chain - Ecosystem In a food chain, the food energy is transformed from a given source through a series of species, each of which eats the one before itself in the chain.

Define the recommended dietary allowance for vitamin b12, Define the Recomm...

Define the Recommended Dietary Allowance for Vitamin B 12 (RDA)? Vitamin B 12 deficiency is common in true vegans who can be treated with small doses since the daily requirem

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages