Answer:
D
Explanation:
We can’t use nitrogen from the air and that’s why we have to use bacteria to into something that we can use
Those who inherit the most favorable characteristics that allows adaptation to their environment.
Answer:
Explanation:
1)respiratory system
2)trachea, bronchi, bronchioles, alveoli, lungs, diaphragm
3)trachea
4)inhale oxygen and exhale carbon dioxide
5)gas exchange
I think to cold countries.
Answer:, facilitated diffusion differs from passive diffusion in that the transported molecules do not dissolve in the phospholipid bilayer. Instead, their passage is mediated by proteins that enable the transported molecules to cross the membrane without directly interacting with its hydrophobic interior.
Explanation: