Answer:
Option (a).
Explanation:
Counter current flow may be defined as the flow of water in the opposite direction with the flow of blood in the body. This countercurrent flow is generally occurs in fishes.
The one main benefit of the countercurrent flow is the absorption of maximum oxygen as the water flows inside the body. Approximately, three time more oxygen is extracted during the counter current flow. The concentration gradient is maintained up to the whole length of gills.
Thus, the correct answer is option (a).
All cells are dependent on glucose for energy (in the form of ATP).
Answer:
C
Explanation:
To send signals to the blood vessels to constrict or dilate , to increase or decrease blood flow respectively.
They would be the primary producers. otherwise known as an autotroph. (makes their own food)
Hey there!
The Carbon Cycle refers to photosynthesis, during which plants take the CO2 we make and release it back into the atmosphere. One way this process could be interrupted is if a company cuts down a lot of trees for land, destroying many of the plants that keep the Carbon Cycle moving.
Hope this helped, good luck :)
