1. Which comparison correctly describes two levels of organization within an ecosystem

The carrier molecules of the electron transport system are located in the

According to these anatomical structures which two animals are probably most closely related

Which of these internal feedback reactions does not need your brain? oa. your leg jumping when it is hit by a reflex hammer b. your deeper breathing when you need more oxygen c. your body temperature rising when you have an infection d. your heart beating faster when you are in danger