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DK Science: Fish

FILTER FEEDERAFRICAN LUNGFISHJAWLESS LAMPREYFISHFIND OUT MOREFish are water animals that evolved about 500 million years ago. They were the first animals to have an internal skeleton. Most fish…

DK Science: Insects

CLASS: INSECTAFIND OUT MOREAn insect’s body divides into three sections. The head holds the eyes, antennae, and mouthparts. The thorax bears three pairs of jointed legs and two pairs of…

DK Science: Life Cycles

PARASITIC FLUKEA LONG LIFEMETAMORPHOSISFIND OUT MOREThe life cycle of an animal consists of all the stages from the start of one generation to the beginning of the next. For many insects, it…

DK Science: Mammals

CLASS: MAMMALIADIVING PLATYPUSLEAPING DOLPHINFIND OUT MOREAll mammals are endothermic (warm-blooded), have some fur or hair on their body, and feed their young milk. They have a bony skeleton…

DK Science: Molluscs

PHYLUM: MOLLUSCASlugs, snails, oysters, clams, squid, octopuses, and cuttlefish are very different to look at, but they are all molluscs. They have a ribbon-like tongue, called the radula,…

DK Science: Movement

RUNNING GAZELLEGLIDERJET PROPULSIONFLYINGMUSCLESSKELETONFIND OUT MOREAll animals are mobile for at least some part of their lives because they need to find food. Most movement is controlled by…

DK Science: Palaeontology

DINOSAUR FOOTPRINTS FOSSILS FIND OUT MORE The study of ancient life, known from FOSSILS, is called palaeontology and scientists who work in this field are known as palaeontologists. By…

DK Science: Populations

FAMILY MEMBERSUNITED PROTECTIONCOLONIAL ORGANIZATIONFIND OUT MOREAnimals of the same animal species, living in the same area, and interbreeding with one another, are referred to as a population…

DK Science: Prehistoric Life

FOSSIL DRAGONFLYELASMOSAURUSERAS OF LIFE ON EARTHDINOSAURSFIND OUT MORESince life began, more than 3.5 billion years ago, evolution has produced an enormous variety of living things. The…

DK Science: Reproduction

CROCODILE EGGSROLE REVERSALASEXUAL BUDDINGLIVE YOUNGFERTILIZATIONFIND OUT MOREAnimals reproduce in one of two ways. In asexual reproduction, animals produce young, which are identical to…