Вопрос школьника по предмету Биология
Подумайте и ответьте на вопрос.
Какие приспособления есть у рыб для сохранения потомства?
1.)__________________________________________________
2.)__________________________________________________
3.)__________________________________________________
Заранее спасибки =)
Ответ учителя по предмету Биология
1 большое количество откладывания икры
2 забота о патомстве (ну строят гнезда защита от хищников)
3 и самка защищает потомство вся вобщем надежда на нее
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5/6-2/3=1целая 1/2
2целых5/9+1целая1/2=4целых 1 /18
7-5/6=6целых 4/9
5/6-1/4=7/12
4целых 5/9-2целых 1/6=6целых 7/18
(4целых 2/3+2 целых 1/4)-(5/12+1/6)=3/4
1. Dear Bill
Nothing’s wrong with you — you’re hardworking, sensitive and you know the value of money. All those things are a definite plus. You’re probably a bit more mature (немного взрослее) than your mates. Ignore their childish words. I guess they are jealous of your job. You had the energy to find work and to earn your own cash, That’s something to be proud of.
Try talking seriously to one of your mates and explain how hurt you feel. It may be also time to find yourself some new friends — the kind who respect hard work and effort-? I’m sure in time you will find good mates.
2. Dear Trasey
Because much of your sister’s strange habits are about food and eating, I think she has some problems with that. Plus the fact that she locks herself In the loo (toilet) for a long time.
Let your sister know that you love her and hate to see her troubled and unhappy. Suggest to her to see a doctor on Eating ProbLems. I believe the doctor will help your sister.
Whatever your sister’s problem, she needs help to realize it. Be there for her — that’s what sisters are for.
3. Dear Lena
Your parents are right. They want you to stay on top of your homework. What’s not so good is the pressure (довление) you are feeling.
If you are hardworking and try your best at school, nobody can ask more. Every parent is mad about homework. But if you feel you’re really under pressure, you need to make them see that.
Talk to your teacher. If your teacher is happy with your work and attitude she ! he may talk to your parents.
Let your parents know that you need them to help you. not add to the strain — support and encouragement can be better than any pressure.