PDF chapter test TRY NOW
1. Select a warm-blooded animal among the following.
2. Select the correct statements about birds.
i. They are cold-blooded animals
ii. They are warm-blooded animals
iii. Their heart is four-chambered
iv. Their heart is three-chambered
i. They are cold-blooded animals
ii. They are warm-blooded animals
iii. Their heart is four-chambered
iv. Their heart is three-chambered
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