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प्रश्न
How do annelid animals differ from arthropods?
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उत्तर
| Annelids | Arthropods | |
| 1. | The circulatory system of annelids is closed. | Arthropods have an open circulatory system. |
| 2. | The body is divided into several identical segments. | The body is divided into few specialized segments. |
संबंधित प्रश्न
Match the following:
| Column I | Column II | ||
| (a) | Operculum | (i) | Ctenophora |
| (b) | Parapodia | (ii) | Mollusca |
| (c) | Scales | (iii) | Porifera |
| (d) | Comb plates | (iv) | Reptilia |
| (e) | Radula | (v) | Annelida |
| (f) | Hairs | (vi) | Cyclostomata and Chondrichthyes |
| (g) | Choanocytes | (vii) | Mammalia |
| (h) | Gill slits | (viii) | Osteichthyes |
Write one difference between the following pair:
Invertebrates and Vertebrates
Give an example of Urochordata.
Explain general characteristics of phylum Platyhelminthes.
Give any one difference between the following :
Insecta and Arachnida
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Bat - Aves, Mammalia, Chordata
Write two main characters of the following animal and name the phylum it belongs to: Jelly fish
Give the name of two animals that belong to phylum echinodermata.
Give two examples of each of the following: Echinodermata
Give two examples of each of the following: Annelida
Fill in the blanks:
The excretory organs of platyhelminthes are ______.
Fill in the blanks:
Bath sponge belongs to phylum ______.
Fill in the blanks:
Dog fish belongs to phylum ______.
Choose the correct answer: 'Systema naturae' has been written by
Choose the correct answer: Binomial Nomenclature was proposed by
Carolus Linnaeus is known as the Father of ______.
Write short notes on – Binomial Nomenclature.
Give scientific reasons.
Body temperature is not constant in amphibians.
Consider the following statements:
- Annelids are true coelomates
- Poriferans are pseudocoelomates
- Aschelminthes are acoelomates
- Platyhelminthes are pseudocoelomates
Choose the correct answer from the options given below:
