Which of the following statements is true?
a. symptoms of infection indicate that the body has been overtaken by invading microorganisms.
b. symptoms of infection indicate that the body is trying to combat invading microorganisms.
c. symptoms of infection indicate that the body has successfully defeated invading microorganisms.
d. symptoms of infection indicate that the body is unprepared to combat invading microorganism

B

Explanation:

Symptoms of infection indicate that the body is trying to combat invading microorganisms. Fever for example is a very common symptom with which the body is defending itself against external organisms. The body uses fever as a great weapon because when the body raises up temperature, many of the organisms causing infectionwill tend to be destroyed. For this reason, fever should not be abolished with medicine. It should be maintained in a point were the foreign organisms are killed and the body is protected.

The symptoms such as head ache, fever, tiredness and several other, should be respected, monitored and if it is the case, treated with medicine in case the "battle" of the invasors against the body are winning the battle.  

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).