Answer: The theory of cheek cells is used for the identification of cheek cells.
Explanation:
The cells of cheek do not have cell wall. They have a cell membrane which allows on certain molecules to pass through it. The nucleus is located centrally in the cheek cells and it stores the DNA. It can be stained with the help of the methylene blue reagent. It appears blue in color which can be observed under the microscope. The cheek cells can be isolated from the buccal cavity by using cotton buds and cotton swabs can help in isolating the cells.
2 geological features of Florida state making it fragile is the Everglades and its bio-diverse nature.
Explanation:
The Florida state is one of three Everglades in the world to be marked as such due to its tendency of being in drought condition all the time due its draining capacity and location in its southernmost parts.
The other environmental condition which the state faces, is the bio-diverse nature of the state. It has endangered species population of cougar. It has been marked as the protected area for the panther species. Alligators too have been listed in the state for the endangered kind. Rest fills up the circuity of the state.
The Spanish fly is a species of a beetle `
I'd say to help the reader quickly locate geographic regions.