Tomato plants secreting insect repellent is an example of what adaptation? -Behavioral
-Structural
-Physiological

List two limitations of natural selection

Explain why phospholipid molecules form a bilayer. (3 marks)

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