Last week we did about vertebrates and invertebrates. Today we're going to start breaking down vertebrates into even more groups - into mammals, birds, reptiles, fish and amphibians. What's the difference? Well, there's quite a few. Have a look at this video;
We're just going to focus down on one type of vertebrate - mammals. You might know a bit about them already - like that human beings are mammals. Once you've watched the videos above and below you need to log on to PurpleMash and find your 2do Day 41 - mammals. Can you tell me what sets mammals apart from other types of animal?
If you complete the PurpleMash work and need a brainbox challenge, here's one for true animal experts only. The strangest mammal on Earth, so odd that when it was first found scientists thought it was a made up hoax! Can you create a fact file on the duck billed platypus, which is a bizarre hodge-podge of mammal, bird and reptile?