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.
It ends and has points at each end, so I can measure it. A drawing of a line segment looks like this: C D It has two names, CD & DC Rays A ray is part line and part line segment. It starts in an end point and goes on into infinity at the other end. A drawing of a ray looks like this: E F It has only one name, EF, because its name must begin with its starting point.