Scientists say that in UK, the number of beetles, butterflies, bees and wasps has fallen by up to 60%. Many countries are worried about the disappearance of bees and butterflies. Scientists say the decline in insect populations will lead to many problems for humans. One of the biggest ...
根据As the world's number of bees has been falling in recent years,many countries and places are looking for methods to protect these lovely insects.The UK city of Leicester has its own plan in the works.随着近年来世界蜜蜂数量的下降,许多国家和地方都在寻找保护这些可爱昆虫的方法。英国莱斯特市...
Scientists say that in the UK, the number of butterflies, bees and wasps(黄蜂) has fallen by up to 60 percent. Many countries are worried about the disappearance of them.Scientists say the decline in insect populations will lead to many problems for humans. One of the biggest dangers is ...
Deforestation and global warming made the number of some insects fall.For example,in the UK,the number of some bugs has fallen by 60 percent.Many countries are worried about disappearing bees and butterflies. Fewer insects will make problems for humans.There will be fewer insects to pollinate (...
Can commercially imported bumble bees out-compete their native conspecifics? 2. This study made a direct ecological comparison between commercially imported and native B. terrestris colonies growing in the wild in the UK. In ... TC Ings,NL Ward,L Chittka - 《Journal of Applied Ecology》 被引...
Bees deserve some respect.They give us honey,and they play their part either pollinating(授粉) the many vegetables and fruits we eat directly or pollinating the food for the animals that we then consume. (2) D That's not all—a study in the UK,found bees and other ...
a. In one study, pollen expression of cowpea trypsin inhibitor (CpTI) reduced the ability of bees to learn a conditioned response to floral odour 正在翻译,请等待...[translate] adeflection not more than 5.5mm from 偏折不超过5.5mm从[translate] ...
aBurt's Bees Muscle Mend .45 oz Burt的蜂肌肉修理.45盎司 [translate] aWellshare International Logistics Co.,Ltd 正在翻译,请等待... [translate] aIt is the process of encouraging people to apply for actual or anticipated vacancies of the organization. 它是鼓励人的过程申请组织的实际或被期望的...
How do you feel about bees? Do you get irritated when they buzz around you and do you fear their mission is just to sting you? Love them or loathe them, these little insects are extremely important creatures, and without them we might starve. Bees deserve some respect - they give us ho...
In the haplodiploid system of sex determination in Hymenopteran species, the complemen- tary sex determiner (csd) gene of honey bees (genus Apis) is an informative example for the study of the molecular evolution of a multiallelic gene under a well-described model of ne...