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

Define absorption, Define Absorption, Transport and Excretion - Calcium? ...

Define Absorption, Transport and Excretion - Calcium? Calcium (Ca) in food occurs as calcium salts e.g. calcium phosphate or is associated with other dietary constituents e.g.

What is phenotypic ratio, The F2 phenotypic ratio from a dihybrid cross wit...

The F2 phenotypic ratio from a dihybrid cross with epistasis was 9:3:4. If instead of a dihybrid cross, a double heterozygote was test crossed (crossed to a homozygous recessive in

Explain the urinary excretion of ascorbic acid, Explain the Urinary excreti...

Explain the Urinary excretion of Ascorbic Acid? The urinary excretion of ascorbic acid falls when the dietary intake is low. Since the tissues are not saturated, a greater part

Categories of secondary inductions, Categories of Secondary Inductions ...

Categories of Secondary Inductions The secondary inductions are categorized into two types. 1) Instructive Interaction : In such type of an interaction the inducing tissue

What is the difference between the concepts of genome, Q. What is the diffe...

Q. What is the difference between the concepts of genome and karyotype? Genome is the set of DNA molecules that characterizes each species or each living being. The concept the

Explain biotin (vitamin h), Biotin (vitamin H) It was revealed  that eg...

Biotin (vitamin H) It was revealed  that egg yolk could prevent dermatitis and emaciation  in  rats that were kept on  raw  egg white a$ the main protein source. The factor of

Tidal energy and its advantages and disadvantages, Tidal energy The per...

Tidal energy The periodic rise and fall of water level of sea is called tides which are caused by gravitational effect of moon combined with the rotation of the earth. This var

Internal structure of the heart of man, Internal structure of the heart of ...

Internal structure of the heart of man Internally there are four chambers in the heart. The upper two chambers are called auricles and the lower two chambers are called vent

How is the nervous system of molluscs organized, How is the nervous system ...

How is the nervous system of molluscs organized? Molluscs have well-developed sensory structures. It is established that cephalopods, such as squid and octopus, have eyes with

Digestion in coakroach, Awhat is the function of malpigrium tubulessk quest...

Awhat is the function of malpigrium tubulessk question #Minimum 100 words accepted#

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