Hey, how are you doing?
The answer to your question would be:

i believe.
Hope this helps, and if you need further help, contact me!
Thank you,
Darian D.
Answer:
Your body uses oxygen to get energy out of the food you eat.
Explanation:
Oygen breaks down sugar in cellular respiration
Answer:
Polar bears consume ringed seals (which are tertiary consumers) as well as fish like trout, salmon, and cod (which are secondary consumers).
Explanation:
A lot of abiotic factors are necessary to the ecosystem, such as temperature, water, sunlight ect. ect.
Without these factors, certain animal species would not be able to prosper, and once adapted living organisms, would fail to get needed resources.
There can also be a negative affect.
Abiotic factors directly affect how organisms grow and survive.
Hope it helps :)