Question

differences between second trophic level and fourth trophic level ​

Answer 1

Explanation:

External Respiration: External respiration refers to the gas exchange across the respiratory membrane of lungs. Internal Respiration: Oxygen diffuses out from the blood into tissue during internal respiration. ... Internal Respiration: Carbon dioxide diffuses into the blood from the tissue during internal respiration.Nov

Answer 2

Explanation:

Second Trophic Level: The organisms of this trophic level are herbivores. Fourth Trophic Level: The organisms of this trophic level are carnivores