Organisms that cannot make their own food and must obtain energy from the foods they eat are called

What type of specimens where you able to see under each of the microscopes in the microscope activity

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.

Which organ controls breathing? lungs alveoli heart diaphragm