How is whale similar to a marine animal?

Answer 1

Both mammals and birds:

1. are warm-blooded.

2. are amniotes.

3. are vertebrates with skeletons.

4. have their bodies covered with a keratin-based substance.

5. have a four-chambered heart and a closed circulatory system.

6. have many internal organs, such as brains, hearts, lungs*, bronchi, bronchioles, esophagi, stomachs, intestines, livers, bones, muscles, gallbladders**, and kidneys.

7. have some flightless species and some species that can fly.

8. are tetrapods by descent, although some mammals (e g cetaceans) have lost some limbs.

*Birds' lungs have parabronchi rather than alveoli

**Not all mammals have gallbladders

Answer 2

It also breathes air and lives in the water

It is a marine animal.

Answer 3

They both glide smoothly through their surroundings. They both have a brain and a stomach. A whale swimming is about as effortless as an albatross' glide.

Answer 4

The only similarity which Icould find is they both are vertebrates.