Hello，teachers！ Which sentence is correct？Thankyou!

[Harry12345]

Which sentence is correct？Thankyou!
1 Snakes are animals!
2 The snakes is a kind of animal.
3 Snakes is a kind of animal.
4 A snake is a kind of animal.
5 A snake is animal!
6 The snake is animal!

 

[bhaisahab]

Which sentence is correct？Thankyou!
1 Snakes are animals!:tick:
2 The snakes is a kind of animal.
3 Snakes is a kind of animal.
4 A snake is a kind of animal.:tick:
5 A snake is animal!
6 The snake is animal!

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[Barb_D]

Can I ask why some of your sentences have exclamation marks and some have periods?

 

[Harry12345]

Can I ask why some of your sentences have exclamation marks and some have periods?

Barb_D teacher！ Thanks for your suggestion. I didn't focus on punctuation. I will pay attention to them next time.:up: