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熟记这些概念,A-Level生物轻松拿A

2019-01-08 15:33:14 89人已读 分享到

  A-Level生物虽然属于理科,但是需要背诵的内容特别多,甚至不亚于文科。A-Level生物考试更多都是偏向理论性的题型,这就需要我们在作答时用上这些“概念”。下面AOLevel考试资讯网小编为大家整理了一些A-Level生物考试常用的概念,大家可以收藏阅读。


熟记这些概念,A-Level生物轻松拿A


  1.Movement- an action by an organism or part of an organism causing a change of position or place

  2.Respiration- the chemical reactions in cells that break down nutrient molecules and release energy for metabolism

  3.Sensitivity- the ability to detect or sense stimuli in the internal or external environment and to make appropriate responses

  4.Growth- a permanent increase in size and dry mass by an increase in cell number or cell size or both

  5.Excretion- removal from organisms of the waste products of metabolism (chemical reactions in cells including respiration), toxic materials and substances in excess of requirements

  6.Nutrition- taking of materials for energy, growth and development; plants require light, carbon dioxide, water and ions; animals need organic compounds and ions and usually need water

  7.Species- a group of organisms that can reproduce and produce fertile offspring

  8.Binomial system- an internationally agreed system in which the scientific name of an organism is made up of two parts showing the genus and species

  9.Tissue-a group of cells with similar structure, working together to perform a shared function.

  10.Organ-a structure made up of a group of tissues, working together to perform specific functions.

  11.Organ system- a group of organs with related functions, working together to perform body functions

  12.Catalyst- a substance that increase the rate of a chemical reaction and is not changed by the reaction

  13.Enzymes- proteins that function as biological catalysts

  以上就是小编为大家整理的A-Level生物常用概念,大家一定要仔细阅读,活学活用。2019年A-Level报名已经开始了,想要快速提供A-Level成绩,你还可以报名我们的A-Level培训课程,名师指导,海量A-Level真题,助你更快提高A-Leve分数。



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