Answer:
what do you need help with
Explanation:
Capillary interact with the respiratory system by allowing gas exchange to the alveolus. The gas inside the capillary is high in carbon dioxide and low in oxygen, but gas in alveolus is high in oxygen and low in carbon dioxide.
The capillary will release CO2 and takes O2 as the result.
An interacting group of various species in a common location
Answer:
Fresh Water
Explanation:
Salty water is the most abundant
The one dated back to about 1 million years would most likely have more similarities to the modern day horse, so the answer should be the rock fossil which is 1million years old.