Archaeopteryx had "teeth, three claws on each wing" similar to dinosaurs. So, most appropriate answer would be Teeth & Wings
Hope this helps!
Power house or maybe protein pump if you are talking about cells in biology
Answer:
In taxonomy, binomial nomenclature, also called binominal nomenclature or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, although they can be based on words from other languages.
Well there really isn't an age limit, sometimes the parents don't want you to date but you can date at any age really, Most people I know started dating when they were 9 to 10 years old. I hope this helps and if you have any more questions, Feel free to ask.