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.
Of course not! The only venomous lizards in the WORLD are the Gila Monster of the extreme American Southwest, the Mexican Beaded Lizard of Mexico, and the Komodo Dragon of Indonesia, doesn't have a potent venom, but it's bites often give Salmonella and other diseases to the victim. There have only been four confirmed deaths in the last 50 years from lizard bites. And honestly, it is very rare if you see one of these rare lizards in your lifetime.
Nothing besides the white.
"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.
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.
It is not very common to see Mexican license plates in the US.