На примере кур объясните изменения птиц при одомашнивании

ПОМОГИТЕ ПОЖАЛУЙСТА!!
Нужно написать сочинение-миниатюру на тему "Свеча"

У собак черная окраска шерсти определяется геном В,коричневая-b,сплошная-S,пегон-s. У черных родителей 6 шенков все черные. Каковы возникные генатипы родителей?

Rewrite the following sentences in Passive Voice. Pay attention to the prepositions.

Example: We often speak about her. — She is often spoken about.

1. We thought about our friend all the time. 2. The doctor will operate on him in a week. 3. The teacher sent for the pupil's parents. 4. They looked for the newspaper everywhere. 5. Nobody slept in the bed. 6. The neighbor asked for the telegram. 7. Everybody listened to the lecturer with great attention. 8. The senior students laughed at the freshman. 9. The group spoke to the headmistress yesterday. 10. The young
mothers looked after their babies with great care.

1.Решите неравенство: 2-3(x-6)≤27-(1-x)

2.Какое из чисел больше: √7+√8 или 3+√6