Year 9 CIE Biology: A Quick Guide to Mastering Key Vocabulary and Terminology | Year 9 CIE 生物：词汇术语速记指南

📚 Year 9 CIE Biology: A Quick Guide to Mastering Key Vocabulary and Terminology | Year 9 CIE 生物：词汇术语速记指南

Building a strong foundation in biology requires mastering key terms. For Year 9 CIE students, learning scientific vocabulary can feel overwhelming, but with the right memorisation techniques, you can make it fast, fun and permanent. This guide will walk you through effective strategies — from breaking down word parts to grouping terms by topic — while providing essential word lists for each major area of the syllabus.

建立牢固的生物学基础需要掌握关键术语。对于 Year 9 CIE 学生来说，学习科学词汇可能让人感到不知所措，但通过正确的记忆方法，你可以快速、有趣且持久地记住它们。本指南将介绍有效的策略，从拆解词根词缀到按主题分类，同时提供每个重要领域的核心词汇表。

1. Mastering Prefixes and Suffixes: Crack the Code | 掌握前缀与后缀：破解术语密码

Many biology terms are built from Greek or Latin roots. By learning common prefixes and suffixes, you can deduce meanings of unfamiliar words instantly. For example, ‘photo-‘ means light, and ‘synthesis’ means putting together, so photosynthesis means ‘putting together using light’. Similarly, ‘cyto-‘ means cell, and ‘plasm’ means fluid, so cytoplasm is cell fluid. The table below lists powerful affixes that will unlock dozens of terms.

许多生物学术语源自希腊语或拉丁语词根。通过学习常见的前缀和后缀，你可以立即推断出不熟悉单词的含义。例如，“photo-”意为光，“synthesis”意为合成，因此光合作用（photosynthesis）表示“利用光进行合成”。同样，“cyto-”意为细胞，“plasm”意为浆液，所以细胞质（cytoplasm）就是细胞浆液。下表列出了能够解锁数十个术语的强大词缀。

Try this memory trick: ‘hypo’ sounds like ‘low’, ‘hyper’ sounds like ‘higher’. Or link ‘endo’ to ‘enter’ (inside) and ‘exo’ to ‘exit’ (outside). A small investment in learning affixes will pay off across the entire syllabus.

试试这个记忆技巧：“hypo”听起来像“low”（低），“hyper”听起来像“higher”（高）。或者将“endo”与“enter”（进入）联系起来，“exo”与“exit”（出去）联系起来。在学习词缀上投入少量时间，将在整个课程大纲中获得回报。

2. Essential Terms for Cells and Tissues | 细胞与组织核心术语

Cells are the basic units of life. Year 9 CIE expects you to compare plant and animal cells and describe the function of each organelle. Key structures: nucleus (controls cell activities), cell membrane (controls what enters and leaves), cytoplasm (site of chemical reactions), mitochondria (release energy through aerobic respiration), ribosomes (make proteins).

细胞是生命的基本单位。Year 9 CIE 要求你比较植物和动物细胞，并描述每种细胞器的功能。关键结构：细胞核（控制细胞活动）、细胞膜（控制物质进出）、细胞质（化学反应场所）、线粒体（通过有氧呼吸释放能量）、核糖体（制造蛋白质）。

Plant cells have three extras: cell wall (made of cellulose, provides support), chloroplasts (absorb light for photosynthesis) and a large permanent vacuole (contains cell sap, maintains turgor). An animal cell lacks these. Use a Venn diagram in your mind to separate ‘only plants’ from ‘both’.

植物细胞有三个额外的结构：细胞壁（由纤维素构成，提供支撑）、叶绿体（吸收光能进行光合作用）以及大永久液泡（含有细胞液，维持膨压）。动物细胞没有这些。在脑海中用维恩图将“仅植物”与“两者共有”分开。

Beyond organelles, you must also learn levels of organisation: cell → tissue → organ → organ system → organism. For instance, muscle cells form muscle tissue, which makes up the heart (organ), part of the circulatory system. Repeating this chain aloud helps cement it.

除了细胞器，你还必须学习组织层次：细胞 → 组织 → 器官 → 器官系统 → 生物体。例如，肌细胞构成肌肉组织，肌肉组织构成心脏（器官），心脏是循环系统的一部分。大声重复这个链条有助于巩固记忆。

3. Key Vocabulary for Biological Molecules | 生物分子关键词汇

Biological molecules are the chemicals found in living organisms. The major groups are carbohydrates, proteins, lipids, vitamins, minerals and water. Sub-terms you must know: glucose (C₆H₁₂O₆) is a simple sugar, starch is a plant storage carbohydrate made of many glucose units, and glycogen is the animal equivalent stored in liver and muscles.

生物分子是存在于生物体中的化学物质。主要类别包括碳水化合物、蛋白质、脂类、维生素、矿物质和水。你必须掌握的子术语：葡萄糖（C₆H₁₂O₆）是一种单糖，淀粉是由许多葡萄糖单元组成的植物储存碳水化合物，糖原是动物的等价物，储存在肝脏和肌肉中。

Proteins are made of amino acids. Lipids (fats and oils) are built from fatty acids and glycerol. Use the prefix system: ‘mono-‘ = one sugar, ‘di-‘ = two, ‘poly-‘ = many. Maltose is a disaccharide; cellulose is a polysaccharide. Vitamins are organic compounds needed in tiny amounts; minerals are inorganic ions like iron (Fe²⁺) and calcium (Ca²⁺).

蛋白质由氨基酸构成。脂类（脂肪和油）由脂肪酸和甘油构成。利用前缀系统：“mono-”表示一个糖，“di-”表示两个，“poly-”表示很多。麦芽糖是二糖；纤维素是多糖。维生素是需求量极小的有机化合物；矿物质是无机离子，如铁（Fe²⁺）和钙（Ca²⁺）。

Starch, glycogen and cellulose are all polymers of glucose. Remember SGC: Starch (plants storage), Glycogen (animals, storage), Cellulose (cell walls, structural). That simple mnemonic prevents confusion.

淀粉、糖原和纤维素都是葡萄糖的聚合物。记住 SGC：Starch（植物储存），Glycogen（动物储存），Cellulose（细胞壁，结构）。这个简单的助记符可以防止混淆。

4. Enzyme Terminology Made Easy | 酶相关术语速记

Enzymes are biological catalysts that speed up reactions without being used up. They are mostly proteins with a specific active site. The molecule they act on is the substrate. The lock and key model helps visualise this: only the correctly shaped key fits the lock. After binding, an enzyme-substrate complex forms, products are released, and the enzyme is unchanged.

酶是生物催化剂，能够在不被消耗的情况下加速反应。它们大多是蛋白质，具有特定的活性位点。它们作用的分子称为底物。锁钥模型有助于形象化：只有形状正确的钥匙才能插入锁中。结合后形成酶-底

Published by TutorHao | Year 9 Biology Revision Series | aleveler.com

更多咨询请联系16621398022（同微信）