Answer: The upper gastrointestinal tracts organs consist Esophagus, stomach and duodenum.
Explanation:
Gastrointestinal tracts is a organ system found in human beings and other animals that deals with intake of food, digestion of food, adsorbing nutrients from the digested food and expelling or excreting the waste products and undigested food.
The gastrointestinal tracts is divided into two, the upper and lower gastrointestinal tracts. The upper gastrointestinal tracts organs consist of Esophagus, stomach and duodenum while the lower gastrointestinal tracts consist of the large and small intestine. The structures include anus, colon,rectum,caecum.
What contains the different kind of molecules is the answer is D
<em>Lets take a look at all the choices:</em>
A) Energy utilization
All organisms require energy to survive. That question is out for sure!
B) Complex Yet Organized
All living organisms are complex, and if they weren't organized, well, they wouldn't exist or they would have some serious problems!
C) Capable of Self-Reproduction
Simple: Not all organisms are able to reproduce asexually, for example, humans. We do not reproduce asexually. Therefore it is not a characteristic of <u>ALL</u> living organisms
D) Composed of Multiple Cells
No-brainer! All living organisms are composed of multiple cells!!!!!!!!!!!!
Therefore, the answer is C) Capable of Self-Reproduction
I believe it gives you the answer. It should be one fifth or 20%. #TeamAlvaxic