A virus is not a living cell. Yet they need cells for food, energy, and protection. This type of relationship is called

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

Types of scientific inquiry that biologist engage in that cannot be completely controlled

Why are some places regularly warmer or cooler than others in a given month