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).
The photosynthesis I guess
Answer:
clusters of round shape bacteria
Explanation:
Microscopic examination of the potato salad should reveal <u>clusters of round shape bacterium. </u>
Staphylococcus or Staphylococcal are those that are round in shape (from the word 'coccus') and occur in clusters as opposed to individually or in chains. The word is derived from two Greek words - <em>staphyle</em> which means <em>bunch of grapes</em> and <em>kokkos</em> which means <em>to be round</em>.
Hence, <u>when a magnified image of the Staphylococcus aureus is produced by the microscope, clusters of round shape bacteria would be seen</u>.
Answer:
c
Explanation:
the answer would be time everyone with a stop watch