Experiments Investigating Factors Affecting Germination Seeds remain?dormant?long enough to allow seed dispersal or until conditions are favourable During dormancy the seed is unable to germinate a...
Drawing the Internal Structure of Seeds A?seed?consists of several parts which can be shown in a labelled diagram Testa The seed coat Cotyledon?or?cotyledons The leaf or leaves of the embryo which ...
Mutualism Between Flowers & Pollinators Sexual?reproduction in plants requires the?transfer of pollen?between flowers Methods of pollen transfer can include: Wind Animals Water Most flowering p...
Flowering & Gene Expression The life cycle of a flowering plant involves The?vegetative phase The part of the life cycle during which?plant growth?takes places A plant in the vegetative phase c...
Micropropagation of Plants The nature of plant growth means that plants can be grown by a process known as?micropropagation Micropropagation is a form of?tissue culture?in which?plant cells are cul...
Plant Hormones & Shoot Growth Plant hormones?are responsible for most communication within plants Plant hormones are not the same as hormones in animals but they are?chemical messengers?so the ...
Plant Growth Plant growth occurs in regions known as?meristems The cells in these regions are known as?meristem cells Meristem cells are?undifferentiated; they actively divide by?mitosis?to produce...
Measuring Phloem Transport Rates Hemiptera (also known as true bugs) is an order of insects that have?highly-adapted mouthparts?for?piercing?and?sucking Many hemipterans (such as?aphids) use these ...
Identifying Xylem & Phloem Xylem The functions of xylem tissue in a plant are: To?transport dissolved minerals and water?up the plant via vascular tissues Structural support ?Xylem tissue is fo...
Hydrostatic Pressure Gradients Phloem sap containing sucrose and other organic solutes?moves through the sieve tubes down a hydrostatic pressure gradient This is known as the?pressure-flow hypothes...
Sucrose Loading Mechanism Organic compounds such as?sucrose?are transported?from source to sink?through the?phloem sieve tubes Sucrose is a?disaccharide?formed from a molecule of glucose and a mole...
Translocation Translocation is the biological term used to describe the?transport of organic solutes?in the?phloem tissue The liquid that is being transported within the phloem can be referred to a...
