Hollow lightweight bones benefit the bird by letting it fly. If the bird had regular bones like any other animal, then the bird wouldn't have the ability to be able to fly due to the extra weight.
Answer: genetic variation
Answer: An abiotic factor is a non-living factor that influences and resides in an environment. So, things like weather, temperature, and humidity are considered abiotic factors, while things like predators are considered biotic factors.
Explanation:
Maybe not because after light increases stomas will decrease and after that plant leaf will take less co2 and less co2 mean less synthesis in the plant.
Answer:
1 millimeter is 1,000,000 nanometers
Explanation: