A ==Key Stage 1=====Meaning=== An '''animal''' is a [[alive|living]] creature that can move around freely and eats other [[Alive|living things]] to survive. : Singular [[Noun]]: '''Animal''': Plural [[Noun]]: '''Animals''' ===About Animals===: '''Animals''' eat other [[Alive|living]] creatures but they do not always have a mouth. ===Examples==={| class="wikitable"|-|[[File:Mouse.png|center|200px]]|[[File:Reptile.png|center|200px]]|[[File:HummingBird.png|center|200px]]|-|This '''animal''' is a type of [[Mammal]].|A [[Reptile]] is a kind of '''animal'''.|[[moveBird]]s are a type of '''animal'''.|-|[[File:Trout.png|center|200px]]|[[File:Frog.png|center|200px]]|[[File:Insect.png|center|200px]]|-|[[Fish]] are '''animals''' that live underwater.|An [[amphibian]] is an '''animal'''.|This '''animal''' is an [[insect]].NB: Insects are not in Key Stage 1.|} ===Note for Teachers===By KS3 many students identify insects as not '''animals'''. It is important to make sure that students understand that there are many more animal types than just amphibian, bird, fish, mammal and reptile. ==Key Stage 2=====Meaning===An '''animal''' is an [[organism]] that can move around freelyand eats other [[organism]]s to survive. ===About Animals===: There are many different types of '''animals'''.: Animals can be split into two main groups; [[Vertebrate]]s and [[animalInvertebrate]]s. {| class="wikitable"|-|[[File:AnimalClassification2.png|center|800px]]|Animals} ==Key Stage 3=====Meaning===[[Animal]] s are made of [[cells Cell (biologyBiology)|cells]] which contain a [[nucleus]], [[cytoplasm]], [[mitochondria]] and a [[Cell Membrane|cell membrane]], but no [[chloroplastschloroplast]]s, [[Cell Wall|cell wall]] or [[Permanent Vacuole|permanent vacuole]]. ===References=======OCR==== :[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Animals, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359810/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359810&linkCode=as2&tag=nrjc-21&linkId=d768d99f1a06f7c12fab40e5aef85a55 ''Animals; cells, pages 18-19, 61, Gateway GCSE Biology, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359810/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359810&linkCode=as2&tag=nrjc-21&linkId=d768d99f1a06f7c12fab40e5aef85a55 ''Animals; circulatory system, pages 73-75, Gateway GCSE Biology, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359810/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359810&linkCode=as2&tag=nrjc-21&linkId=d768d99f1a06f7c12fab40e5aef85a55 ''Animals; drug testing, page 233, Gateway GCSE Biology, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Animals; Electricity, pages 101, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Animals; Fish, pages 43, 101, 165, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359810/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359810&linkCode=as2&tag=nrjc-21&linkId=d768d99f1a06f7c12fab40e5aef85a55 ''Animals; lifespan, pages 12-13, Gateway GCSE Biology, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Animals; Lifespan, pages 12-13, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359810/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359810&linkCode=as2&tag=nrjc-21&linkId=d768d99f1a06f7c12fab40e5aef85a55 ''Animals; pathogens, page 210, Gateway GCSE Biology, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359810/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359810&linkCode=as2&tag=nrjc-21&linkId=d768d99f1a06f7c12fab40e5aef85a55 ''Animals; populations, pages 182, 284, Gateway GCSE Biology, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359810/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359810&linkCode=as2&tag=nrjc-21&linkId=d768d99f1a06f7c12fab40e5aef85a55 ''Animals; sampling, pages 180-181, Gateway GCSE Biology, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359810/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359810&linkCode=as2&tag=nrjc-21&linkId=d768d99f1a06f7c12fab40e5aef85a55 ''Animals; selective breeding, pages 198-199, Gateway GCSE Biology, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359810/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359810&linkCode=as2&tag=nrjc-21&linkId=d768d99f1a06f7c12fab40e5aef85a55 ''Animals; stem cells, pages 68-69, Gateway GCSE Biology, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359810/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359810&linkCode=as2&tag=nrjc-21&linkId=d768d99f1a06f7c12fab40e5aef85a55 ''Animals; urination, pages 14-16, Gateway GCSE Biology, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Animals; Urination, pages 14-16, Gateway GCSE Physics, Oxford, OCR '']