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.
Milk, Blood, Coffee, Water, Urine, Gasoline, Wine
Answer:
Layer A is the crust and Layer B is the mantle.
Answers should include three of the following ideas:
*The body needs exercise to eliminate wastes properly.
*Food poisoning can be prevented by cooking food properly and by sanitizing areas that come into contact with raw food.
*Some forms of functional dypepsia can be prevented by avoiding overeating, avoiding too many fatty foods, and chewing food adequately.