What role do bacteria play in an aquaponics system?
they transform fish waste into plant food.
they enrich the water to fish grow.
they break down dead plant matter.
they warn that the fish are sick.

Ashort, vertical, solid, or fleshy stem possessed by gladiolus and which is used in reproduction is termed a . termed a .

What process allows for the development of haploid sex cells? mitosis meiosis fertilization pollination

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