There are several organ systems in the body. One of them would be the respiratory system. There are many more including the heart, digestive, and the skeletal.
Can u please add a little more? I don't know anymore.
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!
Answer:
C. DNA is the best/most accurate evidence
1- A light-dependent reaction
2-A cellular respiration
