what do the gila monster and the bearded lizard
No. There are only two species of lizards in the world that are toxic--the Mexican Beaded Lizard, and the Gila Monster. These two similar lizards live in the desert in the Southern US and Mexico.
"Mexican American" is a proper noun when referring to a specific individual or group of individuals of Mexican descent living in the United States. When used in a general sense to describe a person of Mexican descent living in the U.S., it can be considered a common noun.
Nothing besides the white.
Perez would qualify as such.
American English and Mexican Spanish are the most common languages in California. There are Asian languages but they are not as common as the other two languages.
Both took land away from Mexico.
Not necessarily. You are definitely a Mexican-American, but the race you belong to depends on the race of both parents, not on their nationality. For instance, if your American parent is African-American, and your Mexican parent is white (yes, there are white people in Mexico, some 10 million) you are a Mexican-American mulatto. "Hispanic" is the common term used for any non-white people of Latin American origin. Some examples of "Hispanics" are Edward James Olmos (Mexican), Christina Aguilera (Peru) or Jennifer Lopez (Puerto Rico).
One common monster plant is the Venus Fly trap.
A rich Mexican heritage.
Both graduates of West Point and veterans of the Mexican-American war. They both thought they were doing for the good of the people.
Some common Mexican words include si, no, and por favor. Other common Mexican words include gracias and de nada along with buenos dias.
The noun 'food' is a common noun described by the proper adjective 'Mexican'. As the compound noun 'Mexican food', it can be considered a common noun, a word for any Mexican food of any kind, or it can be considered a proper noun as a word for the food of a specific national origin.