Realme C25s
Realme C25s mobile was launched on 8th June 2021. The phone comes with a 6.50-inch to…
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what is spicules in sponges
SPICULES OF SPONGES
Meaning of Spicules : The spicules or sclerites are definite bodies, having a crystalline appearance and consisting in general of simple spines or o…
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write about canal system in porifera
CANAL SYSTEM IN PORIFERA OR CANAL SYSTEM IN SPONGES
Introduction : The water circulatory system of sponges also called as canal system is the characteristic feature of the phylum Porifera. Canal sy…
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porifera notes
PHYLUM PORIFERA : GENERAL CHARACTERS AND CLASSIFICATION
INTRODUCTION : Phylum porifera includes about 5000 species. Poriferans are pore bearing first multicellular animals. The pores are known …
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notes on metazoa
METAZOA : GENERAL CHARACTERS AND CLASSIFICATION
Introduction : The Metazoa or the multicellular animals have achieved their structural diversity by varying their cells that have become specializ…
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What is parazoa
What is Parazoa ?
What is parazoa ? Ans : Parazoa is a Sub-Kingdom under the Kingdom Animalia. The only surviving Parazoans are the sponges, which belong to the ph…
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kingdom protista
KINGDOM PROTISTA : GENERAL CHARECTERS AND CLASSIFICATION UPTO CLASS
What are Protists? Ans : Protists are simple eukaryotic organisms that are neither plants nor animals or fungi. Protists are unicellular in nature …
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PROJFESCIOLA HEPATICA
LIFE HISTORY OF FESCIOLA HEPATICA
Copulation and Fertilization of Fasciola Hepatica : Though F. hepatica is hermaphrodite even then cross- fertilisation is of common occurrence. Hen…
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plasmodium life cycle.
PLASMODIUM :THE MALARIAL PARASITE
Until recently, There were four plasmodium species that were considered responsible for malaria disease in human : Plasmodium vivex, Plasm…
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The common Round worm
Ascaris Lumbricoids : THE COMMON ROUNDWORM
Distribution : Ascaris Lumbricoides is one of the most familiar endoparasites of man. It has also been reported from pigs, catt…
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earthworm locomotion
LOCOMOTION OF EARTHWORM
Movement in earthworm involves the musculature of body wall and setae. According to the studies of Gray and Lissman (1938) , the worms body undergo…
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Pheritima posthuma
THE INDIAN EARTH WORM
class Oligochaeta includes terrestrial earthworms and some other species that live in fresh water. As compared to many setae of polychaetes, they …
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