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

Reproduction, what is the difference between anaisogyami & oogyami?

what is the difference between anaisogyami & oogyami?

Define barrier layer cells (photocells), Define Barrier layer cells (photoc...

Define Barrier layer cells (photocells) They are the very simple of the detectors. It contains the bottom support layer of conductive metal like iron. A photosensitive layer of

Gram positive & gram negative bacteria , What is the difference among Gram ...

What is the difference among Gram positive & Gram negative bacteria based on cell content? Ans) The cell membrane is made if more of lipoproteins in gram negative compared to gr

Control of excretion, CONTRO L OF EXCRETION - 1.      In brain hypoth...

CONTRO L OF EXCRETION - 1.      In brain hypothalamus is osmocentre that controls minerals. 2.      Cells of DCT & arterioles combien to form Juxta glomerular node, it se

What is the neurotransmitter of the neuromuscular junction, What is the neu...

What is the neurotransmitter of the neuromuscular junction? How does the nervous system trigger muscle contraction? The nervous cells that trigger the muscle contraction are th

Why photosynthetic prokaryotes appeared before more, Why is it more probabl...

Why is it more probable that the photosynthetic prokaryotes appeared before the aerobic eukaryotes? It is more feasible that photosynthetic prokaryotes appeared before the aero

Effects of insulin on carbohydrate metabolism, Insulin promotes muscle gluc...

Insulin promotes muscle glucose uptake and metabolism. In presence of insulin muscle cells take up glucose and use it as a source of energy. Insulin also promotes storage of insuli

What is translocation, What is Translocation? Sometimes pieces of two c...

What is Translocation? Sometimes pieces of two chromosomes that are not homologous break off at the same time. If the broken pieces are re-attached to the opposite (in this cas

Explain about pre-market approval application, Question 1: Show the pro...

Question 1: Show the procedures for filing a 510(k) application and a Pre-market approval application for medical devices in the USA. Show out the procedures for filing a

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