Answer: that is the answer
supplying oxygen and nutrients to tissues,Explanation:
Answer:
Sheep carrying out respiration
Explanation:
Because the sheep is exhaling carbon dioxide into the air
Endosymbiosis
that is my explanation hopefully its right
Answer:Ecological succession is the process that describes how the structure of a biological community (that is, an interacting group of various species in a desert, forest, grassland, marine environment, and so on) changes over time. The structure of this community becomes more complex as new species arrive on the scene.
Explanation:
Oxygen would be the best answer