Answer:
question 1:
- both the number of species and population density decreases as altitude above sea level increases
question 2:
increase in birth rate => greater number of young organisms
Explanation:
As altitude above sea level increases, O2 density decreases, the amount of UV rays increases and the difference between daytime and nighttime temperature increases
Answer:
protection, support, and muscle attachment
Explanation:
hope this helps!
The brain controls what you think and feel,how you learn and remember and the way you move and talk. But it also controls things you' re less aware of - like the beating of your heart and the digestion of the your food
Saturation I think not 100% sure sorry