конспект 9 10 11 параграфа по биологии 9 класс Сухорукова Кучменко.Помогите пожалуйста примерно 10-15 предложений) http://www.alleng.ru/d/bio/bio201.htm
5-9 класс
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Внешняя среда- это условия живой и неживой природы, в которых обитает организм и которые оказывают влияние на его состояние, рост и размножение. Экологические факторы-это компоненты, которые оказывают существенное влияние и вызывают появление приспособительных реакций.
Действие экологического фактора на организм зависит от его интенсивности. Интенсивность каждого фактора непостоянна и изменяется во времени. Значение фактора, наиболее благоприятное для жизнедеятельности, называют оптимальным. Значение фактора, при которых существование организмов становится невозможным, называют нижним и верхним пределами выносливости.
Фактор, приближающийся или выходящий за пределы выносливости данного организма, называют ограничивающим.
Параграф 10
Приспособленность организма к действию факторов внешней среды, называют адаптациями.
Пассивная приспособленность основана на повышении устойчивости к факторам внешней среды за счёт экономии энергетических затрат.
Состояние покоя- это физиологическое состояние, при котором устойчивость организмов превышается за счёт замедления интенсивности дыхания и др. процессов обмена веществ, запасания в клетках жиров и углеводов.
Второй тип адаптаций-активный. Организмы сопротивляются действию факторов и поддерживают постоянство внутренней среды независимо от колебаний внешних условий.
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