Most populations demonstrate growth, in which the population size increases exponentially until it levels off near the k value of the habitat for that species. intrinsic logarithmic logistic exponential extrinsic

Exponential growth then logistic growth as it levels off due to carrying capacity

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.