Yes this is true, because niche is where the organism is comfortable, and their instincts from when they are born affect their perspective of their environment
There would be no energy.
Mitochondria break down food and convert it to ATP for the body to use.
If mitochondria were absent, eating food would be useless, it would not provide nutrition.
This man is presenting with signs/symptoms of an inferior wall M.I. (myocardial infarction), a heart attack. He needs to be started on IV fluids with morphine, oxygen, nitroglycerin, and aspirin. However, it is imperative that before administering nitro/nitrates, he denies having taken any sexual meds for erectile dysfunction (e.g. Viagra) within the past 24 hours. That combined with nitrates can lead to a life-threatening irreversible crash of central blood pressure around the heart.
Mutations can be both harmful and helpful. It is helpful because it could help breed or sustain more species for better production or consumption. It is harmful because it could cause genetic disruption to a living organism that may impair its functioning as a whole.
hope this helps
