Compare the adaptations of animals with freshwater and seawater mode of life.
Answers
Freshwater animals have adaptations to deal with water and salt concentrations to maintain homeostasis and they adapt through the evolution of gills, swim bladders and fins. The ocean can be a difficult place to live hence animals living their have some special adaptations like some of them camouflage to escape detection others live in groups, others have dangerous venoms or spines.
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❤. ADAPTATIONS OF FRESH WATER ANIMALS ❤
⭐. Fresh water organisms undergo endosmosis.
⭐. Fresh water fishes developed glomerular kidney to remove excess water from the body through urine.
⭐. Fresh water sponges produce gemmules , to survive in summer.
⭐. African lung fish undergoes aestivation by forming a gelatinous cocoon, to survive in summer.
❤. ADAPTATIONS OF SEA WATER ANIMALS❤
⭐. Sea water is high in salt content compared to the body fluids.So, marine animals continuously lose water from their bodies by exosmosis.
⭐. Marine forms developed a glomerular kidneys, with less number of nephrons , salts secreting chloriede cell in gills.
⭐. Marine birds and penguins eliminate salt drops through nostrils.
⭐. Sharks retain urea and limethylamine oxide in fishes to maintain salt balance in body fluids.