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...
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...
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...
