0
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
What else can I help you with?
What is the biggest marine animal?
The Blue whale is the biggest marine animal and, in fact, the biggest animal ever.
What is Alaska's state marine animal?
The Bowhead whale.
Which animal has similar adaptations as a narwhal?
Humpback whale, sperm whale, pilot whale, Beluga, minke, blue whale and fin whale have similar adaptations.
What is Alaska's animal?
* Land mammal: Moose * Marine mammal: Bowhead whale* Land mammal: Moose * Marine mammal: Bowhead whale* Land mammal: Moose * Marine mammal: Bowhead whale* Land mammal: Moose * Marine mammal: Bowhead whale* Land mammal: Moose * Marine mammal: Bowhead whale* Land mammal: Moose * Marine mammal: Bowhead whale
What is Hawaii's state animal?
Hawaii State Mammal: Hawaiian monk seal (Monachus schauinslandi)Hawaii State Marine Mammal: Humpback Whale (Megaptera novaeangliae)
What is the biggest marine animal in the world?
blue whale, didn't you go to school.
What is Hawaii's state marine animal?
Hawaii's state mammal is the Humpback Whale.
How do you put weightiest in a sentence?
The weightiest marine animal, I believe, is the blue whale.
What animal has the largest sexual reproductive organs?
That would be the elephant. ==Or...== If you're including marine mammals, that would be the blue whale.
What a blue whale eats?
A Blue Whale eats krill. Which is a shrimp like marine animal.
One of the most expensive types of animal fur comes from the slowest swimming marine mammal What animal is this?
A poo
What is the marine animal with the strongest jaw?
The toughest marine animal on earth is the Great White Shark or the Sperm Whale. The Great White Shark is the largest predatory fish in the ocean and can kill man pretty easily. On the other hand, Sperm Whales have been known to battle with giant squids and kill them.
