In the past,man showed little care for the survival of living things.He.....25..... animals for food, skins, sport or for making preserved collections .......26..... living things-such as plants, butterflies and birds eggs and preserving them was once a ........27...... hobby. As a result some species have ......28.... Today in many countries, people are not .....29. ... to collect certain species of plants and all birds' eggs. Photographing plants and animals and ....30.... animal sounds are two hobbies which have replaced collecting