Which is characterized by an absence of jaws?
The Lamprey fish is characterized by an absence of jaws.
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Red Coral Kukri, sometimes seen in news, is related to which class of reptiles?
The only bird which can fly backward is
Humming bird is the smallest bird and the only bird which can fly in backwards in the world.
If an animal is an ectotherm, it has?
Number of chambers in reptiles heart?
Except crocodile which has 4 chambers, all the reptiles have 3 chambers in their heart.
The galapagos finches are an excellent example of
The galapagos finches are an excellent example of speciation which means the formation of distinct species in the course of evolution.
____ are the most intelligent mammals on earth.
Which of the following animals can change its sex?
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