Question

How do living organisms obtain energy from food?
Differentiate between external and internal respiration​

Answer 1

Explanation:

Food consists of organic molecules that store energy in their chemical bonds. Autotrophs make their own food. ... The flow of energy through living things begins with photosynthesis, which creates glucose. In a process called cellular respiration, organisms' cells break down glucose and make the ATP they need.

Answer 2

Answer:

In a process called cellular respiration, organisms' cells break down glucose and make the ATP they need.

External respiration is the exchange of gases with the external environment, and occurs in the alveoli of the lungs , whereas Internal respiration is the exchange of gases within the internal environment, and occurs in the tissues.

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