Answer:
<h2>Blood flow through a capillary is controlled by the <u>precapillary</u><u> </u><u>sphincters</u><u>.</u></h2>
Answer: They have streamlined bodies with poweful muscles
Explanation: them are some strong boys
The right answer is A. producer.
Phytoplankton are all cyanobacteria and microalgae (microscopic plants) present in surface waters and drifting with the currents. Unknown because invisible to the naked eye, phytoplankton is the lung of our planet. Thanks to photosynthesis, it produces more than half of the Earth's oxygen and consumes half of the carbon dioxide. Phytoplankton is essential for marine life because it is also at the base of the ocean food chain.
<span>Chroloplasts Acts as a main role in photosynthesis.Chloroplasts likely orginated from engulfed "prokaryotes" that once lived as independent organisms. They are also considered to be originated from "cyanobacteria" through endosymbiosis—when a eukaryotic cell engulfed a photosynthesizing cyanobacterium that became a permanent resident in the cell.</span>
