Phytoplanktons are also called microalgae. They are the foundation of the aquatic food web and the primary producers. They feed everything from microscopic to multi-ton whales. Thus, the answer to the question above is letter B. Provide basis of food chains.
To collect the water and mineral nutrients.
The visible light spectrum. Redshift and blueshift describe how light shifts toward shorter or longer wavelengths as objects in space (such as stars or galaxies) move closer or farther away from us. ... When an object moves away from us, the light is shifted to the red end of the spectrum, as its wavelengths get longer.
<span>Satiety center of the brain.
We can look at this as the "feeding engine of the brain". The state accomplished when the requirement for nourishment has been fulfilled is called satiety. The satiety focus point in creatures is situated in the ventromedial core of the hypothalamus.</span>
