Help please i’ll mark brainleist

Apart of an ecosystem that can restrict the growth of a population is referred to as

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

Write the balanced chemical equation forphotosynthesis.