IB DP Biology: HL復習筆記9.4.2 Plant Reproduction
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...
IB DP Biology: HL復習筆記9.4.1 Flowering
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...
IB DP Biology: HL復習筆記9.3.3 Micropropagation
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...
IB DP Biology: HL復習筆記9.3.2 Plant Hormones
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 ...
IB DP Biology: HL復習筆記9.3.1 Plant Growth
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...
IB DP Biology: HL復習筆記9.2.5 Skills: Measuring Phloem Transport Rates
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 ...
IB DP Biology: HL復習筆記9.2.4 Skills: Identifying Xylem & Phloem
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...
IB DP Biology: HL復習筆記9.2.3 Hydrostatic Pressure Gradients
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...
IB DP Biology: HL復習筆記9.2.2 Sucrose Loading
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...
