If if frozen fossils are found in permafrost, that plant used to live in that place, then if what are found in permafrost, that plant used to live in that place?

Answer choices:
- Echinoids
 - Conifers
 - deuterostomes
 - bullfrogs
 - frozen fossils
 - one celled organisms
 - Nematoda
 - important habitats

 

     frozen fossils     