6th grade A B

 ANIMALS

https://www.learningchocolate.com/content/animal-habitats

https://www.learningchocolate.com/content/farm

https://learnenglish.britishcouncil.org/vocabulary/a1-a2-vocabulary/farm-animals

https://learnenglish.britishcouncil.org/vocabulary/a1-a2-vocabulary/nature-1

https://learnenglish.britishcouncil.org/vocabulary/b1-b2-vocabulary/other-animals

https://learnenglish.britishcouncil.org/vocabulary/b1-b2-vocabulary/wild-animals

IRREGULAR NOUNS

https://www.learningchocolate.com/content/irregular-plural-nouns

https://www.learningchocolate.com/content/irregular-plural-nouns-animals

https://www.learningchocolate.com/content/plural-nouns