Grammar improvements: "When you say I get less oxygen in, then I have less oxygen available for aerobic energy and I have less energy for the diverse tasks that a species needs to fulfill in an ecosystem, such as being ready to prey, grow, move and reproduce.
"When you say I get less oxygen in, then I have less oxygen available for aerobic energy and I have less energy for the diverse tasks that a species needs to fulfill in an ecosystem, such as being ready to prey, grow, move and reproduce.