This is because your taste and nasal receptors, which are located in the head, are blocked by mucus secreted by your cells. When blocked by mucus, these receptors cannot absorb the smells from foods and thus the taste is different or no as it is usually remembered as.
The roots take in the water and then it travels through the stem of the plant.
Answer:
The correct answer would be "Adaptive radiation happens over a relatively short time".
Adaptive radiation refers to the process of evolution in which ancestor organisms diversify rapidly into a wide variety or new forms as a result of environmental changes, availability of new resources, availability of new niches, or new challenges.
Accumulation of adaptive radiations over a long period of time results in speciation.
For example, Darwin's finches adapted according to their feeding behavior.