False the autonomic nervous system controls mainly the involuntary activities
Answer:
Ty2 strain present in the Salmonella typhi bacteria can easily enter into the epithelial cells.
<u>Explanation</u>:
This is the bacteria that causes the typhoid fever in humans. This disease affects greater than 21 million people worldwide annually. On severe cases it leads to death of the patient. The penetration into epithelium cell is one among the essential part in its parthenogenesis. Previous interaction of the bacteria along with the epithelial cell are much necessary before its invasion. The expression involves the adhesins and fimbria.
Answer: The bald eagle belongs to the genus Haliaeetus, and of the specie leucocephalis
Explanation:
The modern system of classification makes use of binomial nomenclature, a system of naming organisms which consists of two names: the First name is the Genus while the second is the specific name.
Hence, Haliaeetus is the generic (i.e general name) name of the bald eagle, while leucocephalis is it's specific name.
Answer:
The rock and fossil record shows that all of the changes in the Earth's history have been slow and gradual.
Explanation:
Rock and fossil record are of evolutionary importance, because these records gives ideas regarding the time since existence of life in Earth. This information can be used to to get a clear picture regarding how the living organisms of ancient age interacted with the environment of that time. The records thus obtained from rock and fossil are sufficient enough to conclude that evolution do are taking place which is very slow and gradual in such a way, so that it could provides for adaptability to the changing surrounding environment.