Електронна книга > Наука > Генерал > احمد حماد الحسيني: هجرة الحيوان (ePUB)

احمد حماد الحسيني
هجرة الحيوان [EPUB ebook]
أحمد حماد الحسيني

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Обложка احمد حماد الحسيني: هجرة الحيوان (ePUB)

تَعكسُ الطيورُ والأسماكُ والثديياتُ وغيرُها من الكائناتِ تعقُّدَ نظامِ الحياةِ وديناميَّتَه. وهذا الكتابُ يَكشفُ عن أحدِ مَظاهرِ هذا النظامِ حين يَتناولُ ظاهرةَ الهجرةِ في مَملكةِ الحيوان، فيَكشفُ عن التكيُّفِ الفِطريِّ والتلقائيِّ للكائناتِ على مُختلِفِ درجاتِها وفئاتِها، وما يُعانِيه بعضُ هذه الكائنات، حتى إنَّها أحيانًا تَفقدُ حياتَها في سبيلِ هِجرتِها بحثًا عن القُوتِ والمُناخِ المُلائِم، كما تتبايَنُ المسافاتُ التي تقطعُها مُهاجِرةً؛ بين المسافاتِ القصيرةِ التي تَستغرِقُ بضعَ ساعات، والمسافاتِ الطويلةِ التي تَستغرِقُ بضعةَ أشهُر

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язык арабский ● Формат EPUB ● ISBN 9791222061986 ● Размер файла 3.5 MB ● издатель EGYBOOK ● опубликованный 2022 ● Загружаемые 24 месяцы ● валюта EUR ● Код товара 8823664 ● Защита от копирования без

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