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Diving Beetle life cycle
https://australian.museum/learn/teachers/learning/diving-beetle-life-cycle/

Diving beetles are insects. They have four stages in their life cycle: egg - larva - pupa - adult. They have a streamlined shape, a pair of thin antennae and three pairs of legs. Their back legs have a thick fringe of swimming hairs.

Dragonfly life cycle
https://australian.museum/learn/teachers/learning/dragonfly-life-cycle/

Dragonflies are insects. They have three stages in their life cycle: egg - larva - adult. Adult dragonflies have a long and slender abdomen, two pairs of wings and three pairs of legs. They also have very large eyes.

Dissolved Oxygen
https://australian.museum/get-involved/citizen-science/streamwatch/dissolved-oxygen/

Chemical reactions for dissolved oxygen test

Australopithecus sediba
https://australian.museum/learn/science/human-evolution/australopithecus-sediba/

This hominin species was announced in 2010 and has scientists hotly debating its validity as a species and its relationships to other hominins, in particular its relationship to our genus Homo.

Sahelanthropus tchadensis
https://australian.museum/learn/science/human-evolution/sahelanthropus-tchadensis/

Claimed as one of the most significant discoveries in the field of human evolution, the fossils possibly represent the oldest known human ancestor after the split of the human line from that of the chimpanzees. However, this is hotly debated.

Homo ergaster
https://australian.museum/learn/science/human-evolution/homo-ergaster/

Homo ergaster was the first of our ancestors to look more like modern humans. These people were generally tall and slender and may also have been relatively hairless. Not everyone accepts this species name, some still prefer to use the term African Homo erectus.

Homo habilis
https://australian.museum/learn/science/human-evolution/homo-habilis/

The earliest of our ancestors to show a significant increase in brain size and also the first to be found associated with stone tools.

Homo neanderthalensis – The Neanderthals
https://australian.museum/learn/science/human-evolution/homo-neanderthalensis/

Neanderthals co-existed with modern humans for long periods of time before eventually becoming extinct about 28,000 years ago. The unfortunate stereotype of these people as dim-witted and brutish cavemen still lingers in popular ideology but research has revealed a more nuanced picture.

Australopithecus bahrelghazali
https://australian.museum/learn/science/human-evolution/australopithecus-bahrelghazali/

This species lived about 3.6 million years ago and is the first from the genus Australopithecus to be discovered outside of southern and eastern Africa.

Homo rudolfensis
https://australian.museum/learn/science/human-evolution/homo-rudolfensis/

This early human lived about 2 million years ago, but its place on our family tree is debated.