1£®Some insects serve as food for animals£¬and meanwhile p________ plants.

2£®Every modern flat has at least one b________ from where you can get the view of outside.

3£®These are the pictures e________ birds and animals I took in the jungle of Brazil.

4£®Five were killed and many injured during the c________ with the police.

5£®A b________ is a scientist who does research on plants.