Charles Darwin was a scientist. And he changed our understanding of the {#blank#}1{#/blank#} (自然的) world.

    Darwin was born in 1809 in England. At school he didn't do well and got poor marks. He was a good athlete though and loved studying nature. He also kept doing chemistry {#blank#}2{#/blank#}（实验）.

    His father was a doctor and expected Charles to become one too. Charles started studying {#blank#}3{#/blank#} (医药) at Edinburgh University, but soon gave up his studies there. He went on to study religion at Cambridge University {#blank#}4{#/blank#} (代替).

     In1831, Darwin went on a five-year journey to South America, Australia and South Africa by ship. He was often seasick, but the things he saw on this trip changed his life. He {#blank#}5{#/blank#} (收集) many animal and plant specimens. He spent the {#blank#}6{#/blank#} (剩余) of his life studying what he had seen and he wrote many books.

    In 1839, Darwin {#blank#}7{#/blank#} (结婚) his cousin, Emma Wedgwood, with whom he had ten children! He was a loving father and enjoyed family life, which was always more {#blank#}8{#/blank#} (重要的) to him than his research. In spite of having many health {#blank#}9{#/blank#} (问题) throughout his life, Darwin lived until he was 73.

    Darwin's most famous book‎“On the Origin of Species” came out in 1859 and sold out in a day. It said that all living things were related. His ideas were not popular at first, but now most people {#blank#}10{#/blank#} (同意) with them and admire Darwin as great scientist.