Define subphylum chelicerata, Biology

Assignment Help:

Define Subphylum Chelicerata - classes Arachinda AM merostomata?

The subphylum Chelicerata includes familiar horse shoe crab, spiders, scorpions, ticks and mites.

1. Body consists of an anterior prosoma and a posterior opisthosotna.

2. Prosoma bears the appendages involved in feedings and locomotion. Opistliosoma may have exterior segmentation but appendages are either absent or considerably reduced.

3. Their main appendages are clielicerae and pedipalpi.

4. Antennae and mandibles are absent.

5. These are the first land animals in evolution of arthropods which have successfully colonised the terrestrial environment.


Related Discussions:- Define subphylum chelicerata

Why are vaccines used in the prevention, Q. Why are vaccines used in the pr...

Q. Why are vaccines used in the prevention but not in the treatment of infections? Why can antivenom serums be used in prevention and treatment? Vaccines are not used in the tr

Invertebrates, list any 15 characteristics of phyla protozoa

list any 15 characteristics of phyla protozoa

Giant nerve fibres, Giant Nerve Fibres We now know that giant nerve f...

Giant Nerve Fibres We now know that giant nerve fibres take place in the central nervous system of many polychaetes, oligochaetes, insects cephalopod etc. They are broader an

Carditis, It has been shown by prospective studies that Rheumatic heart dis...

It has been shown by prospective studies that Rheumatic heart disease (RHD) is linked to the occurrence of carditis during the first episode of ARF. If the first episode is accompa

What are the three main signs of diabetes, What are the three main signs of...

What are the three main signs of diabetes? The three main signs of diabetes mellitus are called as the diabetic triad: polyuria, polydipsia and polyphagia. Polyuria is the e

Explain fungi - nutritional types of microorganisms, Explain Fungi - Nutrit...

Explain Fungi - Nutritional Types of Microorganisms? Fungi are filamentous, eukaryotic microorganisms, ubiquitous in nature. These grow best in dark and moist habitats. Their h

What are stomata, What are stomata? How do these structures participate in ...

What are stomata? How do these structures participate in the plant transpiration? Stomata (singular, stoma) are small specialized passages for water and gases there in the epid

How does the inflammation mechanism work, How does the inflammation mechani...

How does the inflammation mechanism work? When some tissue injury happens histamine and other vasoactive substances (known as mediators of inflammation) are released, they caus

Parthenocarpy, Parthenocarpy It is generally observed that the fruit d...

Parthenocarpy It is generally observed that the fruit develops after fertilization and it has fertile seeds inside it. However, this is not always so. Fruits of certain variet

Explain about the waist to hip ratio (whr), Explain about the Waist to Hip ...

Explain about the Waist to Hip Ratio (WHR)? Two individuals who have the same BMI and the same total body fat may have different abdominal fat mass. Abdominal fat accumulation

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