A ==Key Stage 1=====Meaning=== An '''animal''' is a [[alive|living]] creature that can [[move]] around freelyand eats other [[Alive|living things]] to survive. : Singular [[Noun]]: '''Animal''': Plural [[Noun]]: '''Animals''' ===About Title===: '''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]]|-|A mouse is a [[Mammal]].|This is a [[Reptile]].|A Humming [[Bird]].|-|[[File:Trout.png|center|200px]]|[[File:Amphibian.png|center|200px]]|[[File:Fly.png|center|200px]]|-|A trout is a [[fish]]|A frog is an [[amphibian]]|A fly is an [[insect]].|} '''[[animal|Animals]]''' are made of [[cell (biological)|cells]] which contain a [[nucleus]], [[cytoplasm]], [[mitochondria]] and a [[cell membrane]], but no [[chloroplasts]], [[cell wall]] or [[permanent vacuole]].