- are cold-blooded and their hearts have only two chambers-BirdsSnakesFishes-Mammals

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___________ a...

Question

___________ are cold-blooded and their hearts have only two chambers.

Fishes

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Birds

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Snakes

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Mammals

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Solution

The correct option is A
Fishes

Fish is the first true vertebrate among all animal life. Fishes possess the vertebral column that contains the spinal cord or the nervous tissue. Fishes are cold blooded. That means they can adjust their body temperature according to the surrounding environment. Their heart has only two main chambers.

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Similar questions

(a) Name the red pigment which carries oxygen in the blood.
(b) Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?
(c) How many chambers are there in the heart of (i) an amphibian, (ii) a mammal, and (ii;) a fish?
(d) Describe the circulatory system in a fish.

___________ are cold-blooded and their hearts have only two chambers.

Q. Assertion: Mammals and birds are warm blooded organisms which maintain a uniform internal body temperature.
Reason: Mammals and birds have a four-chambered heart.

Q. A cold-blooded animal with four-chambered heart is:

Why is a crocodile cold blooded even if it has a four chambered heart

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