Starch is full of carbohydrates, which is your source for energy fast. Not eating a lot of starch will give you a lack of the sugar that is produced from the carbohydrates when broken down for your cells. Pretty much you'll probably feel a little tired.
There will die
You will have more energy
Blue-black.
I think you mean starch and to test for it you have to use iodine and this turns black if there is starch in your food if nothing happens then there is no starch in the food.
There are fibrous foods that do contain starch. Potatoes are an example of a food that contains both starch and fiber.
You can test for starch in food by dropping iodine on food on an agar plate, if it turns black, it contains starch.
The same thing that would happen to humans if we had no food.
the starch is for food when needed
they didnt they would all share
By pests I guess you mean herbivores and if their food source was to be wiped out and that was there only food source they would die out too. - just imagine, what would happen to our diet and the food chain if all cows were wiped out? luckly we have other food sources like chicken (mmm), but what if we didnt?
starch fat and carbohydrates
Corn and peas are a good source of starch