Hi.
From my own knowledge, I remember that anorexia nervosa<em /><em> </em>matches what Jennifer is suffering from.
Cheers~
Answer:
The taxonomical classification of organisms follows this list of categories
Kingdom
Phylum
Class
Order
Family
Genus
Species
The number of organisms decrease from the top(Kingdom)to the bottom(Species).
Order Phylum is the answer
Pangaea started to break apart.
The right option is; dark-field microscope
A light microscope that makes the specimen appear light on a dark background is called a dark field microscope.
Dark field microscopes are light microscopes that are used in different ways to clearly view various specimens that are unstained, transparent, and hard to see using a light field unit. Dark field microscopes are very effective because they show the details of unstained and live samples. It is also very simple to use, and inexpensive to set up.