Devonian, Biology

Devonian is the period of geologic time from 410 - 360 million years before the present. Life on land diversified, with amphibians appearing late in this period of time. Plants went through main changes, including the development of seeds and forests. In the water, fish diversified into all the modern groups as well as numerous of the forms which are now-extinct.

Posted Date: 8/1/2012 5:57:39 AM | Location : United States







Related Discussions:- Devonian, Assignment Help, Ask Question on Devonian, Get Answer, Expert's Help, Devonian Discussions

Write discussion on Devonian
Your posts are moderated
Related Questions
Water Pollutants - Water Pollution Water pollution can occur on account of any one or more of the following agents: 1. Biological: Pathogens such as virus, bacteria,

Barbiturate, Sedative, Hypnotic or Anxiolytic Intoxication and Withdrawal: This Emergencies related  to  substance abuse may be acute  or chronic. The patient may come  to  th

Minerals :- Calcium      Food Source      Dairy products, leafy vegetables, tofu, fish bones green Nutritional/Functional role Essential nutrient: Deficiency lead

Phylum coelenterata

Carbohydrate characteristic chemical features include: Select one: a. the potential to form multiple hydrogen bonds. b. the existence of one or more asymmetric centers.

Influence of Yolk on Cleavage Though biological significance of yolk is to provide nourishment to the developing embryo, it is not part of the active cytoplasm. Yolk is dead

Q. Is it expected that a change in the primary, in the secondary or in the tertiary structure of a protein will produce furthermore functional consequences? Any change of the p

muscles amd its types

Explain Polio Adults who have not previously been immunized against polio should receive a primary series of inactivated polio vaccine (IPV) if traveling to areas where polio i

Amoeboid Protozoan Amoeboid protozoan are distinguished by the presence of flowing extensions of their body known as pseudopodia. These are used for feeding and locomotion. Th