Предмет: Биология, автор: kukyska

Функції сперматозоїдів у гідри?
Функції яйцеклітин у гідри?
Функції скоротливого волоконця у гідри?

Ответы

Автор ответа: sskvm

Ответ:

1)размножение

2)размножение

3)За счёт мускульных волоконец, лежащих в основании каждой клетки, тело гидры может сокращаться, удлиняться и изгибаться.

Автор ответа: viktoriiamartyniuk7

Ответ:

1.донести набор хромосом до женской яйцеклетки и зародить новую жизнь.
2.Сливаясь со сперматозоидом, образует и обеспечивает развитие зиготы, из которой формируется эмбрион
3.пищеварительная вакуоля выполняет функцию переваривания и усвоения пищи клеткой.

Объяснение:

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2. 1. We (to choose) the destination and then we (to find) out that our Granny (to be)already there twice. She (to say) to us yesterday that she ( to meet) our Grandad in that city! 2. We (to choose) the route for many hours before a nice variant (to find). 3. London (to admire) by many people. Its sights (to take) many photos of and millions of tourists (to visit) it so far. It (to describe) in many books! We (to dream) about going to London for five years by the time we (to see) it. 4. Look! Jack ( to be) sad. He (to be) sad for many days. He (to look) for his phone since it (to lose) by him. He (to have) his iPhone for a year before he (to lose) it. He (to think) that it (to steal). He ( to hope) that it ( to find) soon. 5. Why you (to smile) now? I ( to smile) now because I ( to give) many nice presents recently. 6. I ( to be) tired yesterday because I ( to work) hard since 9 o clock in the morning. 7. When we (to come) to Sam, he (to fix) his bike. He (to say) that he (to fix) it all day. By the time we (to leave), he just (to finish) his work. We (to inform) by him that his parents (to buy) him that bike. 8 Jane (to call) me two days ago. She (to ask) me about my news and ( to tell) me that she (to book) tickets to Moscow. I (to be) surprised, because she never (to want) to go there. 9. After we (to reserve) our accommodation,we (to pack) our luggage, (to call) a taxi and (to go) to the airport. At the airport we (to meet) Sally when she (to look) at the information board. She (to find) out that they (to change) the time of our departure.
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