In biological classification, the organisms are grouped on the basis of their cellular structure, presence or absence of cell wall, presence or absence of a membrane-bound nucleus, motility, ability to produce food, mode of reproduction, and mode of nutrition. They are classified so as to distinguish the differently related organisms from each other and to study evolution, as well as better understanding of the biological system.
Answer:
an individual choosing to put on a coat to stay warm
Explanation:
A choice is not an adaptation because adaptations are more biological.
The mass does not change, the only thing that changes is the weight (that is the force attributed to gravity mg)
Answer:
this is the SUBMUCOSA
Explanation:
The wall of the digestive tract contains 4 walls in addition to the submucosa
These are the muscularis external ,(the external layers of muscles that contract s and relax for propelling chime and chyle)
the mucosa
, and serous membrane. The mucous gland secrets Mucus for lubrication of the tubule.
the endoscopy is important for diagnosis and endoscopy therapy
it is also useful for identify the dept of tumor and other abnormalities.
