生物不会因为个体的死亡而导致物种灭绝，这是因为生物体具有（ ）
A．生长特性
B．繁殖特性
C．遗传特性
D．适应特性
生物通过不断繁殖产生后代个体，因而生物不会因为个体的死亡而导致物种灭绝．生物的生长只是个体由小长大，并不产生下一代；生物的遗传是伴随着生物的生殖而进行的；生物的适应性保证生物个体适应环境，能够生存，但不能避免由于生物个体死亡，而导致物种灭绝．
故选：B
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| The school was across the street from our home and I would often watch the kids as they played during the break. She seemed so small as she pushed her way 1 the crowd of boys on the playground. She 2 from them all. I began to notice her at other times, basketball in hand, playing 3 . She would practice dribbling (运球) and shooting over and again, sometimes until 4 . One day I asked her 5 she practiced so much. She looked 6 in my eyes, and without a moment of hesitation she said, "I want to go to college. The only way I can 7 is to get a scholarship. I am going to play college basketball. I want to be 8 . My Daddy told me if the dream is big enough, the facts don't count." Well, I had to give in to her-she was 9 . One day, I saw her sitting in the grass, head 10 in her arms. I walked toward her and quietly asked what was 11 . "Oh, nothing," came a soft reply. "I am just too short." The coach told her that at her height she would probably 12 get to play for a top-ranked team, 13 receive a scholarship. So she 14 stop dreaming about college. She was 15 and I sensed her disappointment. I asked her if she had talked to her dad about it yet. She told me that her father said those coaches were wrong. They just did not 16 the power of a dream. He told her 17 she really wanted to play for a good college, if she truly wanted a scholarship, 18 could stop her except one thing-her own attitude. He told her again, "If' the dream is big enough, the facts don't count." The next year, as she and her team went to the Northern Califomia Championship game, she was seen by a college recruiter (招聘人员). She was indeed offered a 19 . She was going to get the college education that she had 20 and worked toward for all those years. | ||||
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