Answer:
mouth and or nose
Explanation:
air enters the respiratory system through the nose and mouth and passes down the throat and through a voice box.
an abnormal growth of scar tissue that is thick and out of proportion is called a keloid
Answer:
it creates precipatation that occurs at the highest peak of st. Helens.
Explanation:
Energy must flow through autotrophs because they take the energy from the sun, then herbivores feed off the autotrophs converting energy from the plant into energy that they can use. Carnivores then feed off the herbivores, and finally carnivores feed off of each other, and the process starts over again. Heterotrophs only generate a small fraction of their energy through photosynthesis, making autotrophs very important.
Answer:
A
Explanation:
limiting factor is based on the predominant importance in restricting the size of a population
