Group of the phylum chordata, Biology

Assignment Help:

Q. What is the group of the phylum Chordata that first colonized the terrestrial environment? From which habitat did they come?

Partially aquatic partially terrestrial animals, Amphibians, were the first chordates that colonized the dry land. They came from the aquatic habitat and were originated from fishes (Nevertheless the first completely terrestrial chordates were the reptiles).


Related Discussions:- Group of the phylum chordata

Define the effect of dietary fibre on nutrient absorption, Define the effec...

Define the effect of dietary fibre on Nutrient Absorption? Nutrient Absorption: Inclusion of fibre has been shown to retard the absorption of some nutrients. The inclusion of v

Cultural and religious values, Wildlife has influenced language, art, relig...

Wildlife has influenced language, art, religion and social customs of many societies worldwide, and wild animals figure prominently in many cultures even today. In all cultures of

What is meant by vaso-dilation, a) What is meant by 'vaso-dilation'? ...

a) What is meant by 'vaso-dilation'? b) What are the effects of vaso-dilation in the skin?   (a) Vaso-dilation is an enhance in diameter of small arterioles and

Elaborate the term - gill slits, Elaborate the term - Gill slits. Later...

Elaborate the term - Gill slits. Lateral opening in the wall of pharynx which allows water to enter into mouth and exit through the pharynx. This is one of the ancestral charac

Cell membrane, CELL MEMBRANE As discrete units of life  all living cell...

CELL MEMBRANE As discrete units of life  all living cells are separated from each other and from their external environment by an  extremely delicate (75 A to 100 a= 0.00075 to

Describe the origin of muscle cramps and pains, Q. How can the knowledge ab...

Q. How can the knowledge about fermentation describe the origin of muscle cramps and pains after intense physical exertion? A typical fermentation process due to oxygen scarcit

Mixed tricuspid stenosis and regurgitation , Mixed Tricuspid Stenosis and R...

Mixed Tricuspid Stenosis and Regurgitation:  Rheumatic involvement of the tricuspid valve is often seen in association with involvement of mitral and rarely aortic valve. Isolated

Zoonotic diseases-influenza, Influenza Influenza is an acute infectious di...

Influenza Influenza is an acute infectious disease caused by influenza viruses of genus Orthomyxovirus in family Orthomyxoviridae. The name Influenza is derived from an Italian ph

Define proteins, Define Proteins, Carbohydrates required for anorexia nervo...

Define Proteins, Carbohydrates required for anorexia nervosa? A. Proteins To ensure adequacy, minimum protein intake should equal the recommended dietary intake for age and

Determine the purposes of vital signs, Determine the purposes of vital sign...

Determine the purposes of vital signs The vital signs reflect the functioning of vital organs of the body i.e. heart, brain and lungs. They indicate the basic functions of body

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