Ferns make their own food. They grow and reproduce using spores instead of things like seeds. Humans on the other hand have to ingest food from their surrounding and when mature reproduce sexually. They can also choose if they want to reproduce or not while ferns don't have that option. Sexual reproduction is based on inseminating and egg cell, while ferns don't worry about this because the spores just fall on the ground.
I would have to say d.Please let me know if i am right.
The divergent plate boundaries
Climate: is the long-term average of weather, typically averaged over a period of 30 years. D is the answer
Continental plate moving on the sea floor.
