Devonian, Biology

Assignment Help:

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.


Related Discussions:- Devonian

Primary tissues, what do primary tissues of a plant do

what do primary tissues of a plant do

Species concept, SPECIE S CONCEPT - According to Davis and Heywood...

SPECIE S CONCEPT - According to Davis and Heywood species define as assemblage of individuals with morphological features in common and separable from other such assembla

Spinal cord sectioned at the cervical level, Q. How is it explained that a ...

Q. How is it explained that a person with the spinal cord sectioned at the cervical level is still able to perform the patellar reflex? The arch reflex depends only on the inte

Define about the environmental deficiency of iodine, Define about the Envir...

Define about the Environmental deficiency of iodine? The ultimate causative Factor is deficient intake of iodine. Iodine occurs in soil and sea as iodide, the ions of which arc

#titleclasses of fish.., what are the two main classes into which fish are ...

what are the two main classes into which fish are divided

Type specimen of class enteropneusta, Q. Type specimen of class enteropneus...

Q. Type specimen of class enteropneusta? Examine the specimen and note the following features: 1. Balanoglossus has a soft, elongated, worm-like body which has a ciliated surf

Determine the types of neuropsychology, Determine the types of neuropsychol...

Determine the types of neuropsychology The practise in neuropsychology is roughly divided into two approaches. Some practitioners use standard comprehensive neuropsychological

Locomotion in star fish, LOCOMOTION IN STAR FISH - With the help of tub...

LOCOMOTION IN STAR FISH - With the help of tube feet aided by fluid pressure in them. In a tube feet upper ampulla, middle podium and lower sucker present.

Carbohydrate digestion, Carbohydrate Digestion Simple sugars like gluc...

Carbohydrate Digestion Simple sugars like glucose and fructose can be absorbed and metabolised directly but disaccharides such as sucrose or lactose and polysaccharides such a

Animal food, Domesticated animals provide much of the world's meat products...

Domesticated animals provide much of the world's meat products today, but wildlife still constitutes to be an imp ortant source of food of many rural communities. The International

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