An organism having irregular (not constant) body temperature that means their body temperature changes with the temperature of its surrounding environment. Such as all invertebrates as well as vertebrates except birds and mammals. Poikilothermic (Greek word “poikilos” means “varied” and
Warm blooded animal
An organism having a constant body temperature such as in humans the average internal temperature is 37.0 °C (98.6 °F). Warm blooded animal (also known Homeothermic or Endothermic animal) is able to regulate its body temperature with the help of
Homeothermic animal
An organism having a constant body temperature such as in humans the average internal temperature is 37.0 °C (98.6 °F). Homeothermic animal (also known Endothermic animal) is able to regulate its body temperature with the help of two biological mechanisms
Endothermic animal
An organism having a constant body temperature such as in humans the average internal temperature is 37.0 °C (98.6 °F). Endothermic animal (also known homeothermic animal) is able to regulate its body temperature with the help of two biological mechanisms
বিনোদনমূলক মাছ শিকার
নির্মল আনন্দ লাভের উদ্দেশ্যে মাছ ধরা বা শিকার করাই হচ্ছে বিনোদনমূলক মাছ শিকার (বিনোদনমূলক মাছ ধরাও বলা হয়)। এটি হতে পারে কেবলমাত্র ব্যক্তিগত পর্যায়ে শৌখিন মাছ শিকার অথবা হতে পারে মাছ ধরার কোন প্রতিযোগিতায় বা খেলায় জয়লাভের মাধ্যমে আনন্দ প্রাপ্তি।
Sport fishing
Sport fishing (also known “Recreational fishing”) is fishing by any means for pleasure as well as recreational purpose. It may be at personal level (on amateur basis, not for survival) or fishing competition, sport and challenge level. It is differed
Recreational fishing
Recreational fishing (also known “sport fishing”) is fishing by any means for pleasure as well as recreational purpose. It may be at personal level (on amateur basis, not for survival) or fishing competition, sport and challenge level. It is differed
Stimuli
Stimuli (singular- stimulus) are the detectable environmental factors (as environmental changes) that stimulate to exhibit response of a living organism. For example, light and sound during lightning are the stimuli that cause a baby to close his/her eyes and ears.
Stimulus
Stimulus (plural- stimuli) is a detectable environmental factor (as an environmental change) that stimulates to exhibit response of a living organism. For example, light is the stimulus that causes a flower to open or a fish to hide beside a
Amphibians
Amphibians (singular: amphibian) are cold-blooded vertebrates (usually tetrapod/four-footed, carnivorous and oviparous) which young are commonly under go metamorphosis from water-breathing larva with gills to an air-breathing adult with lungs. They use their soft, moist, glandular scale-less skin as an accessory
Amphibia
Amphibia is the group (Class) of vertebrates that includes amphibians (singular: amphibian). The word Amphibia consists of Greek word “amphi” meaning “on both side” and “bios” meaning life. Amphibians (singular: amphibian) are cold-blooded vertebrates (usually tetrapod/four-footed, carnivorous and oviparous) which
Acoelomata
Acoelomata is the group that includes acoelomates. Acoelomates (singular: acoelomate) means a group of animals that lacks fluid filled body cavity named coelom. Body cavity (the space between outer side of alimentary canal and inner side of body wall) of
Eucoelomata
Eucoelomata is the group that includes eucoelomates. Animals having a true coelom are called eucoelomates (singular- eucoelomate). Examples of eucoelomata: Group that includes the phylum Mollusca, Annelida, Arthropoda, Echinodermata, Chordata etc. Eucoelom is a fluid filled body cavity between the