Offers a chronological timeline of important dates, events, and milestones in Montana history. Beginning some 2 million years ago, however, dramatic temperature changes profoundly altered what we now call Montana.
the term lacto-ovo vegetarian is pretty common. I ask for lacto-ovo meals when I fly. This means that I'm a vegetarian, but I also eat dairy/egg products. So an eggetarian would be someone who is not a completely strict vegetarian; someone who refrains from eating animal products, with the exception of eggs.
Adj. 1. vertebrate-having a backbone or spinal column; fishes and amphibians and reptiles and birds and mammals are verbetrate animals. zoological science, zoology-the branch of biology that studies animals. invertebrate, spineless-lacking a backbone or spinal column; worms are an example of invertebrate animals.. (Zoology) any chordate animal of the subphylum Vertebrata, characterized by a bony or cartilaginous skeleton and a well-developed brain: the group contains fishes, amphibians, reptiles, birds, and mammals. adj. 2. (Zoology) of, relating to, or belonging to the subphylum Vertebrata. (ËvÉr tÉ brÉªt, -ËbreÉªt). adj.