Answer:
True
Step-by-step explanation:
An ecosystem comprises of primary producers such as plants which uses solar energy from the Sun to produce food through the process of photosynthesis. The ecosystem which has plants with a high productivity rate means that the rate of interconversion of solar energy to other forms and it enables the production, growth and availability of food material faster to those who make up the biomass such as plant and animal resources. This makes the statement in the question to be true.