Which among the following have a 'mixed heart'?
Mixed heart means the heart in which the oxygenated and the deoxygenated blood is mixed. Reptiles and amphibians have mixed heart.
Which group of animals are exclusively free living marine animals?
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Which of the following animals can change its sex?
Which is the fastest land animal in the world?
The wing of a bat and the wing of a bird are the examples of ______ limbs.
What is special about a sword-billed hummingbird?
Which of the following animals has a comparatively longer intestine?
Wild goats and snow leopards are found in
Wild goats and snow leopards are found in Himalayan region.
____ are the most intelligent mammals on earth.
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