What is the question is the answer
Answer:
A trait that is altered easily by small changes in diet.
Explanation:
The phylogenetic tree explains the evolutionary relationship between the organisms. The phylogeny of the organisms will depend on the difference and similarities in their genetic or physical characters.
The traits that are used in phylogeny must be constant and present in the ancestors or in atleast a group. The trait that can be easily modified or changed cannot be used for the study of the evolutionary relationship. Hence, trait which is altered by diet cannot be used in phylogenetic analysis.
Thus, the correct answer is option (C).
Answer:
Due to strong immune system and dormant state.
Explanation:
If a person who looks well could still be a source of infecting microorganisms because the microorganisms present in its body not affected him due to powerful immune system but it can cause infection in the body of those person who have weak immune system. The other reason is that microorganisms are present in dormant state due to unavailability of good growing condition but when they got good conditions they became active and causes infection.
Ans: toward the center in a counterclockwise pattern