Extinction, Biology

Assignment Help:

EXTINCTION -

It refers to disappearance of a species from earth when its last surviving member dies.

Organic evolution not only creats new sps. but also eliminates some old ones.

Many sps. become extinct before man appeared as ostracodermi & dinosaurs.


Related Discussions:- Extinction

Define r and k strategists, Define r and K Strategists? Ecologists have...

Define r and K Strategists? Ecologists have identified two major types of reproductive strategies among species. Characteristic patterns can be seen among species relating the

Name the phases into which hiv infection is often divided, What are the thr...

What are the three phases into which the HIV infection is often divided? The HIV infection is often separated into three phases: the acute phase, from the infection to 1 until

Illustrate the removal of carbon dioxide from the body, Which of the follow...

Which of the following processes in capillaries in the lung assist in the removal of carbon dioxide from the body? A. Net flux of carbon dioxide from red blood cells into plasm

Define type of instruments used in spectral techniques, Define Type of Inst...

Define Type of Instruments used in Spectral Techniques? A wide range of instruments are available, possessing a combination of features but there is no rigid classification of

Explain the gomez classification, Explain the Gomez classification? It ...

Explain the Gomez classification? It will be of interest to you to learn that in Mexico, a child specialist named Gomez and his co-workers proposed a classification expressing

From which substances is chromatin made, Chromatin is made of DNA molecules...

Chromatin is made of DNA molecules associated to proteins known as histones.

What is the formula is to determinate such number?, Considering the indepen...

Considering the independent segregation of all factors, how many types of gametes does a VvXXWwYyzz individual produce? What is the formula is to determinate such number? The m

Inter phase - cell cycle, The period of life cycle of cell (cell cycle) bet...

The period of life cycle of cell (cell cycle) between two consecutive divisions is termed as the Interphase or misleading called resting phase. It is a period

Explain the biography of pedanius dioscorides, Explain the Biography of Ped...

Explain the Biography of Pedanius Dioscorides? Pedanius Dioscorides, a Cicilian Greek, who lived in the first century A.D. was the most important botanist after Theophrastus. H

Give three examples of cell structures, Give three examples of cell structu...

Give three examples of cell structures which contain structural proteins. What is the other type of protein in a cell? (a) Cytoplasm, the cell membrane, memb

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd