Answer:
The correct answer would be B) the flow of water through the body of a sponge.
Sponges are multi-cellular organisms which are devoid of organ systems like digestive system, nervous system, circulatory system et cetera.
They have a unique feeding system in which they keep constant water flow through their bodies. They obtain food and oxygen and remove waste through this water movement.
The movement of water throughout the sponge is unidirectional in nature. It enters the sponge body through ostia and exit from the osculum.
As the water is pumped out, the cells present in the walls filter out the food present in the water.
Solar irradiance is the power per unit area received from the Sun in the form of electromagnetic radiation
<span>Biodiversity ; Gradpoint . That's what google says
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Answer:
The peppered moths population declined becuase they could not blend in as well, until there was a gene mutation that favorably changed them all black becuase they could blend in when they were black.
Explanation:
i just had this question on edgunuity
<span>A gram is a unit of measurement used in the metric system. This is the metric unit used for measuring weight. Liters is the measurement used for volume, and meters is the measurement used for length. All of the other units mentioned are used in the standard measurement system.</span>