Levels of organization in ecology include the population, community, ecosystem, and biosphere. An ecosystem is all the living things in an area interacting with all of the abiotic parts of the environment.
Answer: yes
Explanation: you need glucose to have energy
Answer:
Sediments from a river bed are carried downstream, creating a deep, narrow channel.
Explanation:
the water played role in forming the channels. Broken English sorry!
Answer:
Gas exchange between tissues and the blood is an essential function of the circulatory. The air contains oxygen that crosses the lung tissue, enters the bloodstream, and the alveoli are in direct contact with capillaries of the circulatory system. As water flows over the gills, oxygen is transferred to blood via the veins.
Explanation:
