Differance among subphylum chaetognatha and urochordata, Biology

Assignment Help:

Explain differance between Subphylum Chaetognatha and Subphylum Urochordata?

Subphylum Chaetognatha: Larval stages of this small group share some of the characteristics with Deuterostomes, but their relationship is not clear. However, these animals do possess the three typical chordate characteristics. The Chaetognaths include the marine arrow worms, which are small distinguished by their lancelet shape and body structure.

Subphylum Urochordata : This small group is known as the tunicates, or "sea squirts." They are characterized by the presence of a cellulose membrane covering that resembles a tunic. Sea squirts are sessile, or attached to marine substrates such as rocks. When stimulated, they shoot a stream of seawater, which gives them their name. Tunicates have chordate characteristics in their larval stages, and only pharyngeal gill slits are present in the adult forms.

 


Related Discussions:- Differance among subphylum chaetognatha and urochordata

Explain trapezoidal full mucoperiosteal flaps, Explain Trapezoidal Full Muc...

Explain Trapezoidal Full Mucoperiosteal Flaps a) Similar to rectangular flap except: The 2 vertical incisions are at obtuse angle with the Horizontal incision, b) Mostly

What is the classification of burns, What is the Classification of Burns? ...

What is the Classification of Burns? Burns can be classified on the basis of the extent, depth, patient age and associated illness or injury. On the basis of depth, burns are u

Explain phylum ascomycetes, Phylum Ascomycetes 1) Sexual reproduction i...

Phylum Ascomycetes 1) Sexual reproduction is by conjugation and is followed by the formation of ascospores inside a sac called ascus. 2) The asci may be grouped together to

Embryo and endosperm, What is the difference between embryo and endosperm?

What is the difference between embryo and endosperm?

Explain about vitamin C, Vitamin C (Ascorbic acid) Vitamin C, ascorbic ...

Vitamin C (Ascorbic acid) Vitamin C, ascorbic acid is also called anti-scorbutic vitamin. Ascorbic acid occurs as white crystals or white crystalline powder without odour and o

What is the molecular formula of the compound, A solid compound was found t...

A solid compound was found to contain 42.11% C, 51.46%O and 6.43% H by weight. The molecular weight of the compound was 341. What is the molecular formula of the compound?

Define vitamin k-dependent carboxylation, Define Vitamin K-dependent carbox...

Define Vitamin K-dependent carboxylation? Vitamin K acts as a cofactor in the synthesis of g-carboxyglutamic acid (Gla) from glutamic acid residues required for the normal coa

Explain the factor chromosomal inheritance, Explain the factor Chromosomal ...

Explain the factor Chromosomal Inheritance? A huge step forward in our understanding of heredity came in 1902, when a biologist named Walter S. Sutton proposed that Mendel's "f

Health dimensions of development, Health Dimensions Of Development ...

Health Dimensions Of Development It is widely recognised that the health status of the people of a country is as important as their economic status. The role of the governm

Why is iodine important for human beings, Why is iodine important for human...

Why is iodine important for human beings? Iodine is a fundamental chemical element for the proper functioning of the thyroid since it is part of the hormones produced by this g

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