问题
选择题
生物多样性最直观的体现是( )
A.生态系统的多样性
B.遗传的多样性
C..生物生存环境的多样性
D.物种的多样性
答案
物种多样性是指生物种类的丰富程度,生物多样性最直观、最基本的认识就是生物物种的多样性;遗传多样性是指物种种内基因组成的多样性;生态系统多样性是指生物所生存的生态环境类型的多样性.
故选:D.
生物多样性最直观的体现是( )
A.生态系统的多样性
B.遗传的多样性
C..生物生存环境的多样性
D.物种的多样性
物种多样性是指生物种类的丰富程度,生物多样性最直观、最基本的认识就是生物物种的多样性;遗传多样性是指物种种内基因组成的多样性;生态系统多样性是指生物所生存的生态环境类型的多样性.
故选:D.
从方框中选出恰当的词填空,每个词限用一次。 | |
soft music. Many people like sports, 3 they do not all like the same sports. In some countries, cricket is a very 4 sport. In others it is not popular at all. No one plays it. No one 5 it on television. Most people like soccer, however. The World Cup is very popular. 6 of people watch the games on television. 7 people like different foods. Some people do not like meat. They mostly eat 8 . Some people do not like potatoes or bread. They 9 rice or corn. Not everyone likes the same colour. Some people like bright colour Others prefer pale colour. The world is an 10 place because we all like different things. |