6. Comparing toxicity and the
need for dilution in water how
different are the ureotelic and
the uricotelic excretions?
What are some examples of
animals that present these
respective types of excretion?

Gap-fill exercise

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Urea is more -soluble than uric
acid ( almost insoluble substance).
is also more . Both however
are toxic than ammonia.

invertebrates, chondrichthian
fish, amphibians and mammals
ureotelic. Reptiles, birds most
arthropods are .