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

Pathophysiology of valvular heart diseases, Pathophysiology   Large hae...

Pathophysiology   Large haemorrhages and fibrinous lesions vegetate along the inflaked edges of valves. The lesions develop on adjacent valve leaflets so that the edges adh

Death, DE A T H - It is terminal end of the degeneration changes of ...

DE A T H - It is terminal end of the degeneration changes of old age. Death occurs when vescular system & respiratory system stop working. Failure of nervous system ma

How do bacteria reproduce, How do bacteria reproduce? Bacteria replicat...

How do bacteria reproduce? Bacteria replicate by binary fission (scissiparity). Some bacteria though present a kind of sexual reproduction (transformation, transduction or conj

What is polygenic inheritance?, What is polygenic inheritance? How does it ...

What is polygenic inheritance? How does it work?  The Polygenic inheritance, also called as quantitative inheritance, is the gene interaction in which a given trait is conditio

Homework, #questiocan you help in a biology question?.

#questiocan you help in a biology question?.

Determine the functions of organ during pregnancy, Determine the Functions ...

Determine the Functions of Organ during pregnancy? Dramatic changes occur in renal functions to eliminate the nitrogenous and other waste products of maternal and foetal metabo

Determine the term anapsid , Determine the term Anapsid ? The type of s...

Determine the term Anapsid ? The type of skull found in reptiles and seen today only in turtles. Behind the opening of the orbits the skull is solid and lacks temporal openings

Inotropic agents, All currently available inotropic agents act to increase ...

All currently available inotropic agents act to increase Ca 2+ for activation in both normal and failing myocardium (Hurst). The use of inotropic agents in the treatment of CHF is

Explain the application of the principles listed, Observe several individua...

Observe several individuals as they run. look for the application of the principles listed. Which are violated and how. The application of the principles The law of inertia

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