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The breathing rate of aquatic animals is faster than that of terrestrial animals because the amount of dissolved oxygen in the water in much less than the amount outside, so they have to breathe more in order to get more oxygen
We need it to breathe
Breathing! Oxygen is required by the body in order to carry out daily functions
Allows aquatic animals to participate in the process of respiration (namely, breathing), and in turn, allows them to live.
They take in oxygen and filter water from their gills. They use the 0 from the H20 basically.
some have breathing roots that appear above water surface pneumataphores
No. Plants have tiny holes in the bottom of their leaves that take in oxygen. Also, plants don't have lungs.
Oxygen is required to break down food in order to get energy from food. Without oxygen, we'd have no energy and would not survive.
yes, even for air-breathing animals, water conducts oxygen to the blood.
Oxygen is required for breathing also you might want nitrogen too
Water does have sufficient dissolved oxygen to sustain aquatic life. This is true because aquatic life has adapted to the limited oxygen using gills.
Sharks, Fish, and other non-oxygen breathing animals in the ocean.