Answer :
Filter feeders include daphnia.The setose thoracic legs function as sieves to remove detritus, germs, and algae from the water.Before food enters the gut for digestion, daphnia transfer this to the mouth and grind it with their mandibles.Food retention lasts for between one and three hours.
What are some typical factors that affect Daphnia's heart rate?
It is well known that high temperatures or anoxic conditions, which result in low oxygen levels, increase the heart rate of daphnia(34) (9).
Why does a Daphnia's heart beat rise when the temperature rises?
The rate of physiological processes and chemical reactions inside the organism accelerates as body temperature rises.The rate of cellular respiration accelerates, increasing the need for oxygen and the output of carbon dioxide.This calls for the heart, which pumps blood, to beat more quickly.
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