Предмет: Биология, автор: dinna200312

на основании внешнего строения отметить приспособления птиц к полету

Ответы

Автор ответа: mur1b

1. Легкий скелет - полые кости
2. Отсутствие зубов - облегчение скелета
3. Киль - увеличение площади прикрепления мышц
4. Подвижная шея - обтекаемая форма тела

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