Una razón es que disminuye la presión del aire. Al respirar, intercambiamos desperdicios por materiales ú t i l e s que están en el ambiente. ¿Qué material útil entra al cuerpo cuando respiramos? ¿Qué desperdicios liberamos? ¿Cómo crees que pueden sobrevivir las personas que viven en las alturas?

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat.o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat.habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

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

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?