â¢ The response of the innate system is rapid while that of the adaptive immunity is slow (Over 1-2 weeks). â¢ The innate system has limited and lower potency. In contrast, the adaptive system has high potency. â¢ The innate system recognizes a broad range of pathogens, but it cannot make fine distinctions.
As plant roots do not reach this layer, the C horizon is typically devoid of organic matter. R Horizon (Bedrock) The R horizon is basically the deepest soil horizon in the soil profile. Unlike the horizon above, this horizon does not comprise rocks or boulders, but instead is made of continuous mass of bedrock. It is very difficult to dig through this layer.
Inception: R/I/C shares, 10/1/12; A share, 6/1/13. Returns greater than one year are annualized. The performance quoted represents past. performance and does not guarantee future results. Investment return and principal value of an investment will fluctuate so that an investorâs. shares, when redeemed, may be worth more or less than the original cost. Current performance may be lower or higher than the performance.