Answer:
B. ll and lll
Explanation:
The question above is asking for the <em>"function"</em> of the Digestive System. Function refers to how the digestive system actually works.
I is not related to the function of the digestive system. It only describes the<em> "esophagus." </em>
II is called the "Peristalsis." This is one of the functions of the digestive system. This allows the food to move down the GI tract.
III is part of the process called "Segmentation." This is one of the functions of the digestive system. The increase surface area of the microvilli expands 25 times and this allows greater absorption of food.
IV is not related to the function of the digestive system.
<em>characteristics that are always present in well-developed living organisms are
</em><u><em>1 digestion
</em></u><em><u>2 excretion
</u><u>3 growth
</u><u>4 respiration
5 reproduction
6 circulation of nutrients and food
senses are also present...
</u>
</em>
24 because it has the same number once it hatches
I think the answer is. A.good conductors of thermal energy.
