chloragogen cells help in
respiration
reproduction
circulation
nutrition
D.
nutrition
Chloragogen cells or yellow cells are present in the region of intestine in Pheretima. The exact function of these cells is not fully known but it is believed that they are concerned with storage of reserve food and also excretory in function. Chloragogen cells are analogous to liver of vertebrates.
What are the peculiar features that you find in parasitic platyhelminthes?
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.
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