Practical: Identifying Tissue Types Within Stems In order to identify tissue types within stems, a?permanent pre-prepared slide?could be used Alternatively, a section of a plant stem could be cut a...
Plant Fibres Sclerenchyma fibres and xylem vessels are made of?long, hollow plant cells These cells are hollow due to the fact that their cell contents?died?(often due to the lignification of the c...
Starch & Cellulose: Structure & Function Starch Starch is the?storage?polysaccharide of?plants It is stored as granules in plastids (e.g. chloroplasts) and amyloplasts (small, membrane boun...
Importance of Water & Inorganic Ions to Plants Plant cells perform a variety of different functions In order to perform these functions efficiently, the plant requires?water?and?inorganic ions?...
Plant Stems Xylem vessels The functions of?xylem?tissue in a plant are: Vascular tissue that?transports?dissolved minerals and water around the plant Structural?support Their cell walls contain?lig...
昨天，國際高等教育研究機構QS又發布了新的大學排名。 2023QS亞洲地區大學排名? 本次排名涵蓋了760所亞洲大學，這也是迄今為止最大的一次亞洲大學排名。 排名亮點 ✔?北京大學歷史首次獲得亞洲地區大學排名...
2022年第39屆全國中學生物理學術活動決賽獲獎名單公布啦！ 本次比賽共產生163枚金牌（含國集隊50人），229枚銀牌，151枚銅牌。 這些物理尖子生都分布在哪些地區和學校，快來一起看看吧~ 第39屆物理學術活動決賽獲...
Plant Cell Structure Plant cells contain most of the organelles found in animal cells, along with a few extra organelles that are only found in plant cells Cell wall Cell walls are formed outside o...
美本top50大部分學校早申截止日期都是在11月1日，不過，需要注意的是有少數幾所學校的早申截止日期并不在11月1日，會有少數部分學校進行延期或是15號左右，那么，2023美國大學早申請放榜時間你知道嗎？ 第一批次...
Conservation of Biodiversity When species go extinct it leads to an overall?decrease in biodiversity In recent times many species have already gone extinct, while others are?endangered An endangere...
Classification Taxonomy is the practice of biological classification The phylogenetic classification system enables us to arrange?species?into?groups?based on their?evolutionary origins?and?evoluti...
Reproductive Isolation Organisms that belong to the?same?species?share the?same characteristics?and are able to produce?fertile offspring Reproductive isolation occurs when changes in the?alleles?a...
