The esophagus, stomach, and small intestines all function together. which level of organization is being described

The Digestive System

Explanation:

These organs work together to break down food and absorb nutrients.

you forgot to put the answer choices

cell

tissue

organ

organ system

The answer is (D) organ system

because esophagus, stomach, and small intestines are a group of organs working together, so organ system makes the most sense.

Explanation:

answer; ///i believe that the correct answer is (e); check first good

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.