Edexcel IGCSE Geography 復(fù)習(xí)筆記 1.2.3 River Landscapes Upland Landforms River landscape characteristics The changes in river channel characteristics, lead to changes in the river landscape The upl...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 1.2.2 Changes in River Characteristics Changes in River Characteristics River characteristics All rivers have a?long?and?cross profiles Each river's long and cross ...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 1.2.1 Fluvial Processes Weathering & Mass Movement River valley processes Both?fluvial?and landscape processes shape the river and surrounding land in the drain...
Stem Cells A?stem cell?is a cell that can?divide?(by mitosis) an?unlimited number of times Each new cell (produced when a stem cell divides) has the potential to?remain a stem cell?or to develop in...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 1.1.3 River Regime & Hydrographs River Regimes & Storm Hydrographs River regimes The?discharge?of a river changes over time The?river regime?is a record of ...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 1.1.2 The Drainage Basin The Drainage Basin A?drainage basin?is an?open system Every drainage basin is unique and is different in shape and size, with different roc...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 1.1.1 The Hydrological Cycle Characteristics of the Water Cycle The hydrological cycle is a?closed?system Water is constantly recycled through the system Within the...
Emergent Properties Multicellular organisms are able to undertake functions that unicellular organisms cannot, e.g. move over vast distances and digest large macromolecules Scientists sometimes sum...
Surface Area to Volume Ratio Materials?constantly being?exchanged?across the?plasma membrane The?volume/mass?of cytoplasm (as this is where the reactions take place)For cells to survive, metabolic ...
