Draw a food web for a forest and discuss the flow of mass and energy through the food chain

What is a cordon and where is it found

What is an endocrine function? (apex) a.esophageal glands release mucus into the esophagus b.salivary glands release saliva into mouth c.swear glands release sweat to the skin d.the pineal gland releases melatonin into the bloodstream

Me with these questions image attached