গ্রন্থের নামঃ দত্তা গ্রন্থের ধরণঃ সামাজিক উপন্যাস লেখকঃ শরৎচন্দ্র চট্টোপাধ্যায় প্রকাশঃ ১৯১৮। ১৩২৪-২৫ বঙ্গাব্দে ‘ভারতবর্ষ’ পত্রিকায় প্রকাশিত হয়। উল্লেখযোগ্য চরিত্র […]
দত্তাঃ ক্ল্যাসিক শরৎ সাহিত্যের এক উজ্জ্বল দৃষ্টান্ত Read More »
Pleurobrachia (Gr. pleuron, side, + L. brachia, arms) is about 1.5 to 2 cm in diameter. The oral pole bears
Pleurobrachia: A Representative Ctenophore Read More »
Sponges feed primarily by collecting suspended particles from water pumped through internal canal systems. Water enters canals through a multitude
Forms and Functions of Sponges Read More »
Ctenophora (te-nof´o-ra) (Gr. kteis, ktenos, comb, +phora, pl. of bearing) is composed of about 150 species. All are marine forms
Phylum Ctenophora: The Sea Walnuts Read More »
A typical hydroid has a base, a stalk, and one or more terminal zooids. The base by which colonial hydroids
Obelia: A Marine Colonial Hydroid Read More »
Sponges originated before the Cambrian period. Two groups of calcareous spongelike organisms occupied early Paleozoic reefs. The Devonian period saw
Phylum Porifera: Phylogeny and Adaptive Diversification Read More »
One of the most interesting—and sometimes puzzling—aspects of this phylum is the dimorphism and often polymorphism displayed by many of
Forms and Functions of Cnidarians Read More »
Phylum Cnidaria (ny-dar´e-a) (Gr. knide, nettle, + L. aria [pl. suffix], like or connected with) is an interesting group of
Phylum Cnidaria: The Flower of the Sea Read More »
Global Time There’s an old Canadian joke that goes, “Repent! The world will end at midnight!—or, 12:30 a.m. in Newfoundland.”
Global Time and Different Time Scales Read More »
Sponge cells are loosely arranged in a gelatinous matrix called mesohyl, or mesenchyme. The mesohyl is the connective tissue of
Educate, Elevate, Empower
© 2025 EazyBio. Curated with 💚 for biology enthusiasts.
