I believe the answer is anaerobic respiration. Sorry if that’s wrong though! :)
Answer:
The relationship between frogs and fishes in a pod is predation.
The ostrich doesn't strictly live in one biome, while it is true that they live in a warmer, dryer climate most of the time. But they are also known to live in colder regions as well, they live a nomadic lifestyle, as long as they can find food and water they can live happily.
Hope this helps!
The answer is b. Hope this helps :)