1 Monocot and dicot are short for monocotyledon and dicotyledon. 2  Mono-means one, and monocots have one cotyledon. 3  Di-means two, and dicots have two cotyledons. monocot plant has one cotyledon (scutellum) in its embryo whereas a dicot plant has two cotyledones. 2. A moncot pl â¦ ant has generally isobilateral leaf with parallel venation whereas a diicot plant has dorsiventral leaf with reticulate venation. 3.
The AR-15 was developed as a lighter, 5.56 mm version of the AR-10. The AR in all ArmaLite pattern firearms simply stands for ArmaLite, and can be found on most of the company's firearms: AR-5, a .22 caliber rifle; the AR-7, another .22 caliber; the AR-17 shotgun; the AR-10 rifle; and the AR-24 pistol.
dalepres. September 22, 2008, 11:24 PM. With the long lead times for AR type rifles and lowers, I was wondering how many AR-15s do you think there are in the hands of non-LEO civilians in the United States.It seems like it must be 10s of millions.eep in mind that there are some 200 million-odd firearms in the country. A good deal are evil and black, and a very good deal are ARs. But, as to how many of the 80 million gun owners own an AR, who knows.