Rank the following ecosystems in order of their net primary productivity, from lowest to highest: open ocean, tropical rain forest, desert, lake.

 open ocean, tropical rain forest, desert, lake because the open ocean is the biggest, A tropical rain forest is usually bigger than a desert, that a desert, and a lake is really small so that would put that in last. Hope this helps!

Explanation:

Areas of study include chemistry, biology, microbiology, food nutrition, and environmental sciences. This programme is highly practical. Alongside learning theory, students will spend time in the laboratory developing the practical skills that are useful in the workplace.