Помогите пожалуйста надо сделать номер 7 и ответить на вопросы! Текст вверху Не ?

7!1.Ecology is a (science) 2.Ecology studies how plants , animals and human beings live together and influence each other 3.A natural environment is the air , the water, the soil and other things that are around a person, animal or plant 4.Ecology teaches us how to survive in the modern life 5.Ecology collect information about the number of living things in different areas , their size and behaviour