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Biology, 24.02.2021 14:20 HarryPotter10

Хід роботи: 1. Досліджуємо покриви кільчастих червів на прикладі дощового
черв'яка. Яким є його тіло на дотик? Чим утворені покриви тіла
дощових черв'яків? Яке значення покривів для дощового черв'яка?
2. Досліджуємо покриви комах на прикладі сонечка семикрапкового
(жука колорадського, клопа-москаля). Чим утворені покриви тіла
комах? Яке значення має забарвлення покривів для яскравозабар-
влених комах?
3. Вивчаємо покриви молюсків на прикладі равлика виноградного
(слизняка садового). Чим утворені покриви тіла молюсків? Які
особливості покривів молюсків? Як реагує равлик виноградний на
дотик? Яке значення покривів для молюсків?
4. Покривами хребетних є шкіра, утворена епідермісом і дермою.
Епідерміс шкіри хребетних може утворювати різноманітні похід-
ні. Розглядаємо з допомогою лупи похідні епідермісу холоднокров-
них (луска риби, панцир черепах) і теплокровних (пір'я птаха чи
шерсть ссавця). Які особливості покривів хребетних? Яке значен-
ня мають похідні шкіри для хребетних тварин?
Навчаємося пізнавати​

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Хід роботи: 1. Досліджуємо покриви кільчастих червів на прикладі дощового
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