You are presented with the question "plants are the major producers in terrestrial what?" and the following answer choices: 
- important habitats
 - weeds
 - consumers
 - Earth orbiting the Sun
 - oceans
 - our planet
 - global ecosystems
 - vegetation

Now knowing that plants are the major producers in terrestrial biomes and biomes are global ecosystems, choose the best answer.


 

       global ecosystems  