Brief Overview. DNA contains genetic instruction essential to the development and functionality in all living organisms. The double helix is 2.2-2.6 nm in width, can range from 2 to 8 cm in length when uncoiled, and is made up of millions of nucleotides.
The diet of leaf-cutter ants is principally _______. a. leaves b. fungus c. saliva-coated leaves d. fungus-treated leaves. The diet of leaf-cutter ants is principally fungus.
Freebase(0.00 / 0 votes)Rate this definition: Atta. Atta is a genus of New World ants of the subfamily Myrmicinae. It contains at least 16 known species. Leaf-cutter ants are relatively large, rusty red or brown in colour, and have a spiny body and long legs. The three main castes within a nest are the queen, worker and soldier.