Fill in prepositions where necessary to complete the sentences. 1)People have always studied living things... their natural environment. 2)How does our environment influence... our children? 3)I dont think people living ... isolation could be happy. 4)Ecologists study what happens ... different species of birds and animals. 5)My fathers influence ... me was great. 6)My interest lies ... nature .I am fond ... animals. 7)Its not easy it collect information ... this species of plants. 8)Mr Brown is 92 years old but he is ... good health. 9)Whats the number ... children in your family? 10)Ecology is a science ... our environment.

1)People have always studied living things in their natural environment. 
2)How does our environment influence our children?
3)I dont think people living in isolation could be happy.
4)Ecologists study what happens to different species of birds and animals.
5)My fathers influence on me was great.
6)My interest lies in nature .I am fond of animals.
7)Its not easy it collect information about this species of plants.
8)Mr Brown is 92 years old but he is in good health.
9)Whats the number of children in your family?
10)Ecology is a science about our environment.