Crucigrama Animal's crosswordVersión en línea Complete the words of the crossword using the content learned in the previous unit, the different kind of animals like vertebrate and invertebrate and the members of these groups. por Javier Garcia 1 Organism without a backbone 2 Organism with a backbone 3 A vertebrate that lives in water as a larva, land as adults 4 Most basic invertebrate 5 A kangaroo is a _________ mammal 6 Descendant of rayfinned fishes with lobed fins 7 Invertebrates that live in damp places on land and breathe using either gills or lungs 8 Has jaws and a flexible skeleton made of cartilage 9 Reptile with no legs 7 8 2 9 3 4 5 1