Animals are those organisms which are eukaryotic, multicellular and heterotrophic in their mode of nutrition. Except few, most animals are mobile and do not have cell wall. The two sides of the body ...

Activity 1 – Frog or toad? Activity 2 – Classify the animals Activity 3 – Classification keys quiz Activity 4 – Create a classification key Classification helps scientists to put living things into ...

Fish, flies and bears, oh my! A new research breakthrough gives genetic proof of how differences in (very different) animals develop. An international team of biologists has identified the molecular ...