Which of the following animals does not undergo metamorphosis?
Earthworm
Tunicate
Starfish
Moth
A.
Earthworm
Metamorphosis refers to the transformation of a larva into an adult.
The animal that performs metamorphosis is said to have indirect development.
In earthworm, development is direct which means no larval stage and hence no metamorphosis.
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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