1. B. 2.B 3.C.
1. Fossils is a main supporter of the evolution theory
2. Evolution
3. Lack oh adaptation risk death
The correct answer in this question is letter B. Taste buds that are located at the tongue recognize some dissolved chemicals from the food for taste perception. Examples are hydrogen ions giving off sour taste, carbohydrates for sweet taste, magnesium ions give off bitter taste, sodium ions for salty taste and monosodium glutamate for umami taste.
Explanation:
Spillover infection, also known as pathogen spillover and spillover event, occurs when a reservoir population with a high pathogen prevalence comes into contact with a novel host population. The pathogen is transmitted from the reservoir population and may or may not be transmitted within the host population.