Relationship between temperature and the rate of photosynthesis

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

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

The relationship between intron and exon