What would be the ultimate effect on an ecosystem if producers were eliminated?

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

Which organelle breaks down sugar molecules that supply energy to the cell ?

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast