Ethology is the branch of zoology that studies the animal behaviour. On the other hand, ethology means the scientific study of animal behavior.
The word Ethology formed from Greek word “ethos” that means “character” and >>>
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Substance (hormone) producing as well as secreting ductless gland of an animal that secretes directly into the blood or lymph stream. Such as pituitary gland, thyroid gland, adrenal gland, Islets of Langerhans, Hypothalamus etc. The >>> Fishes which are not native and introduced to an area outside of their origin. More then 79 varieties of ornamental and 12 species of cultured exotic fishes are recorded in Bangladesh. Most common exotic ornamental >>> |
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