Answer:
1347 to 1351, the number of deaths due to Plague
Explanation:
Answer:
Which of the following is a complementary base pair ?
A . guanine - thymine
B . guanine - guanine
C . adenine - cytosine
D . guanine - cytosine
Explanation:
The muscles of the ear, wisdom teeth, the appendix, the tail bone, body hair, and the semilunar fold in the corner of the eye.
Ecology can best be described as the study of organisms, their environment and how the organisms interact with each other and the environment.
The correct answers are:
• Human bodies may contain pathogenic bacteria, but these are often kept in check by other (nonpathogenic) species.
• Human bodies contain bacteria that are beneficial to certain processes (for example, digestion).
Non-pathogenic species or normal flora are present in the different parts of human body such as oral mucosa, skin, seminal fluid, uterus, lungs, saliva.. Microbiota of normal flora are usually commensal (co-exist without harming effects on humans) whie some of them even have a mutualistic relationship with their human hosts (benefits for both) such as those hosted in the intestine.
