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Animal Kingdom
Sea gulls excrete excess of NaCl from
liver
lungs
nasal activity
kidney
C.
nasal activity
Sea gulls have salt glands which excrete large loads of salt taken with their food and with the water they drink. Sea water contains 3% salt which is three times saltier than a bird's body fluid.
Salt glands are located above each eye and consists of several lobes arranged parallely. Salts are secreted into many radially arranged tubules then flows into a central canal that leads into the nose.
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What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?
Water vascular system is the characteristic of which group of the following:
“All vertebrates are chordates but all chordates are not vertebrates”. Justify the statement.
How important is the presence of air bladder in Pisces?
What are the modifications that are observed in birds that help them fly?
Could the number of eggs or young ones produced by an oviparous and viviparous mother be equal? Why?
Segmentation in the body is first observed in which of the following
Match the following:
Prepare a list of some animals that are found parasitic on human beings.
In some animal groups, the body is found divided into compartments with at least some organs/ organ repeated. This characteristic feature is named
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