Genetic Variation
Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.
Quantitative Genetics
Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.
which tree species was most abundant in your unpland community plot? which was most abundadnt in your lowland community plot ?
Upland and lowland communities or lands are usually defined by their level of ascent or descent from the floor-bed of the sea or ocean. Simple put, upland community plots are at much higher elevation from the sea level and as such have cold climatic conditions and high flow current of rivers downstream. While lowland community plots are defined as pieces of land with very minimum elevation from the sea level or even below the sea level in certain cases. In these communities, the climate is warm and rivers maintain a current level both upstream and downstream which helps in providing organic matter and sedimentation to the soil of lowland areas.
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