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Because unlike other sharks, grey nurse sharks give live birth, other sharks lay water-proof sacks when nurse sharks have a placenta like other mammals. Seperating mammals from amphibians and repitles is if they gve live birth.

Actually all sharks are fish.

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13y ago
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9y ago

Grey nurse sharks are classified as fish so, like all fish, they are vertebrates. They have a spine and spinal cord, and an internal skeleton. They belong to the Phylum Chordata.

Mammals, birds, fish, reptiles and amphibians are all vertebrates.

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9y ago

They both have a spinal cord protected by vertebrae. That is the key trait of all vertebrates. So whales and sharks are both vertebrates.

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Wiki User

12y ago

a grey nurse is a nurse shark

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Anonymous

Lvl 1
3y ago

yes

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Q: Are whales and sharks invertebrates or vertebrates?
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Related questions

Are whales sharks invertebrates or vertebrates?

They both have a spinal cord protected by vertebrae. That is the key trait of all vertebrates. So whales and sharks are both vertebrates.


Are whales invertebrates?

No, they have a backbone just like you do.


Are blue whales invertebrates or vertebrates?

Blue whales are vertebrate. They are also, just like us, mammals.


Are angle sharks invertebrate or vertebrate?

Animals that have backbones are considered vertebrates, while animals without are invertebrates. So sharks, having backbones, are vertebrates.


Are sharks and whales vertebrate?

Yes, they both have back bones and are considered to be vertebrates.


Why are sharks and humans in the same phylum?

Look for the traits of chordates. It is said that both sharks and humans are vertebrates or closely related invertebrates.


Are fish vertebrates of invertebrates?

invertebrates


What are the 5 difference of vertebrates and invertebrates?

vertebrates and invertebrates different?


Is the Great White Shark a vertebrate?

Yes, the Great White Sharks are vertebrates. In fact, all fishes and sharks are vertebrates.


Do caterpillars have a spine?

Caterpillars don't have spines, they are invertebrates. Dogs, birds, whales have spines because they are vertebrates. Spiders, butterflies, moths don't have spines they are called invertebrates.


Why vertebrates and invertebrates are differ?

Vertebrates have spinal chord and invertebrates don't.


What is the difference between vertebrates an invertebrates?

Vertebrates have spines & invertebrates do not have spines.