Some people argue that by comparing the human digestive tract with typical carnivore and herbivore digestive tracts, we can see that humans are naturally carnivores. Others say it shows exactly the opposite.Bringing together all that you've learnt in this project, evaluate whether we can draw either conclusion. What more evidence do you think you might require?Note: Your teacher may suggest you use the class discussion board to discuss before writing your answers.

The human digestive system is quite unique and has characteristics of both herbivores and carnivores, which makes it difficult to categorically state that humans are naturally either carnivores or herbivores.

Firstly, let's look at the teeth. Humans have a combination of sharp front teeth for tearing food (like meat) and flat molars for grinding food (like plants), which is a characteristic of omnivores. Carnivores, on the other hand, have sharp teeth for tearing meat, and herbivores have flat teeth for grinding plants.

Secondly, the length of the human digestive tract is somewhere in between that of a typical carnivore and a typical herbivore. Carnivores have a short digestive tract that quickly processes meat, while herbivores have a long digestive tract that slowly processes plants to extract nutrients. The human digestive tract is not as short as a carnivore's, nor as long as a herbivore's, suggesting that we are designed to digest a varied diet.

However, these observations alone are not enough to draw a definitive conclusion. We would need more evidence, such as genetic studies to see if there are genes that predispose us to prefer certain types of food, or anthropological studies to see what our ancestors ate. We could also look at the health effects of different diets on humans to see if our bodies function better on a plant-based diet, a meat-based diet, or a combination of both.

In conclusion, based on the characteristics of our digestive system, it seems that humans are naturally omnivores, capable of consuming and digesting a wide variety of foods. However, more research is needed to confirm this.