Changes

A '''mammal''' is an [[animal]] with a [[backbone]] that feeds its young with [[milk]] and usually has hair.

A '''mammal''' is an [[animal]] with a [[backbone]] that feeds its young with [[milk]] and usually has hair.

| style="height:20px; width:200px; text-align:center;" |A '''mammal''' starts its life inside the mother getting its food through the umbilical cord.| style="height:20px; width:200px; text-align:center;" |When a '''mammal''' has been born it cannot eat so it gets milk from its mother to survive. This 'young' is an elephant calf.| style="height:20px; width:200px; text-align:center;" |An adult '''mammal''' is mature and can have it's own [[offspring]]. This adult is an elephant.

An ===Meaning===[[Mammal]]s are [[vertebrate]] [[animal]] s which feed their young with milk and keep a constant internal [[temperature]]. ===About Mammals===: Only two '''mammals''' lay eggs; the echidna and the duck billed platypus. ==Key Stage 4=====Meaning===[[Mammal]]s are a [[backboneclass]] of [[vertebrate]] that feeds its young with [[milkanimal]] s which feed their young with milk and keeps keep a constant internal [[temperature]].