Answer:
Proteins
Explanation:
There are proteins in the membrane that have channels for large polar molecules to move into or out of the cell since the plasma membrane is made of a phospholipid bilayer where the inside is non polar. This means large polar molecules need help from proteins to cross the plasma membrane.
I am going to say a cuz when i cut the grass around my pond algae grew <span />
Respiration is a process that involves the exchange of
oxygen (O2) and carbon dioxide (CO2) in the lungs between the atmosphere and
pulmonary circulation.Thus, cellular respiration is a process where glucose is converted
into energy in the presence of oxygen while pulmonary respiration occur during
inspiration, it is a process whereby oxygen and carbon dioxide enter and leaves
alveoli simultaneously.
Answer: True
Explanation:
Amphibians are the animals that spend their life partially in water and partially on land. They are cold blooded animals that cannot regulate their body temperature.
Some of the characteristic feature of amphibians are:
They have a moist skin but do not have scales on their body and gas exchange takes place through their skin.
They have four legs, a double loop circulatory system, aquatic larvae.
Example: Toad, salamander, et cetera.
