Предмет: Биология, автор: Лифио

Какой общий признак у всех позвоночных?
Чем защищен мозг позвоночных?
Сколько типов позвоночных существует?
Какие позвоночные первые появились на земле?
ПАМАГИТЕ СРОЧНО!

Ответы

Автор ответа: ТёмаKing
0
есть скелет.черепной коробкой .рептилии и рыбы
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вот текст
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