helps us to learn about different kinds of plants and animals, their features, similarities and differences.It enables us to understand how complex organisms evolve from simpler organisms
There is a significant amount of genetic variation (diversity) here. Asexual reproduction results in little to no diversity, so we can assume this species reproduces sexually. Hope it helps :)
Structures contain digestive glands. they produce stomach acid and an enzyme that digests protein.A thick mucua layer coats mucosa and helps keep the aicidic(HCL) digestive juice from dissolving the tissue of the stomach itself.