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Reproduction in ancient fish

This information sheet describes the results of study by Museum Victoria scientists of 380-million-year-old fossil fish from Gogo, Western Australia. It outlines discoveries relating to how these early fish reproduced. It includes an animation showing how mating occurred.

Interactive Resource

The female reproductive system

Students use this resource consisting of two slides with diagrams, written explanation and voice-over to understand the structure and function of the female reproductive organs. There is a two-question quiz and a summary slide. Note: Quiz and Review sections are not working.

Interactive Resource

Sexual Intercourse

Students use this resource consisting of two slides with diagrams, written explanation and voice-over to understand what happens during sexual intercourse. There is a two-question quiz and a summary slide.

Moving Image

Inheritance, cell division and DNA duplication

What do you know about cell division? Look at images of a cell dividing, taken through an electron microscope. Discover a type of cell division called mitosis that is an important part of growth and repair in multicellular organisms. Compare that to the way cells divide through sexual reproduction in a process called meiosis. ...

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Cloning versus sexual reproduction

Discover how DNA can be mutated. Investigate how some DNA mutations can be good, bad or harmless. Consider the advantages of sexual reproduction over asexual reproduction (cloning). Learn that the unique genetic makeup of each person can be used for identification, a technique called DNA profiling.

Interactive Resource

The Male Reproductive System

Students use this resource consisting of five slides with diagrams, written explanation and voice-over to understand the basic structure and function of the male reproductive organs. There is a two-question quiz and a summary slide.

Video

Types of coral reproduction

Coral reef expert Professor Peter Harrison discusses sexual and asexual types of reproduction in coral reefs. Footage of living reefs together with animations are used to illustrate the differences between sexual and asexual reproduction.

Video

Coral reproduction patterns

Coral reef expert Professor Peter Harrison discusses the complexities of coral reef reproduction patterns. Footage of living reefs with animation illustrates patterns of developing larvae, and dispersal and attachment on and between reefs.

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Praying mantid egg cases

This is a black-and-white scientific illustration of the egg cases (oothecae) of two praying mantids. The main illustration shows the ootheca of a brown mantid ('Archimantis latistylus') attached to a twig. An ootheca of the green, or garden, mantid ('Orthodera ministralis') is shown in cutaway view on the lower right-hand ...

Video

Fossil fish and the origins of sexual reproduction

This video, which explores the origins of sexual reproduction, begins by showing an image of a male 'Incisoscutum' fish fossil. It then presents an animation of how a male and female fish of this type might have met, copulated and parted. The video finishes with a close-up image of a female specimen that shows the embryo ...

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Fossil mother fish

This is an information sheet that tells the story of the discovery of a fossil fish that is the world's oldest vertebrate mother. Also available is an animation showing the mother fish giving birth and a video of Dr John Long describing the find, how the fossils are prepared, and their significance.

Video

Video of mother fish, embryo and birth

This is an animation demonstrating the location of the fossilised bones of the embryo inside the specimen mother fish found at Gogo in northern Western Australia. It also shows the mother fish swimming and giving birth.

Video

Dr John Long talking about the Gogo fossil mother fish

This video shows Dr John Long of Museum Victoria speaking about the fossil fish 'Materpiscis attenboroughi', found at Gogo Station in Western Australia. He describes the process of extracting the fossils from the rock and the importance of the discoveries at Gogo.

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Rehabilitation on North Stradbroke Island

Find out how miners plan for and carry out revegetation of sand mining sites. This is a PowerPoint presentation that shows the pre-mine surveys, planning, plant propagation, dune re-profiling and maintenance work carried out by Consolidated Rutile Limited (CRL) in rehabilitating land on North Stradbroke Island, Queensland, ...

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Rehabilitation of a mine site

Find out how the landscape is repaired after open-cut mining. This is a PowerPoint presentation showing rehabilitation work carried out at the Ensham open-cut coal mine in central Queensland. The slides are predominantly pictorial and illustrate the processes of planning, removal and stockpiling of overburden, mining, surface ...

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Observing a kangaroo

Take a look at Australia's most famous animal, the kangaroo. Don Spencer feeds a female kangaroo that has a young joey in her pouch. Observe (look carefully at) how kangaroos stay alert in case of danger.

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Observing a koala

Join Don Spencer as he talks about one of Australia's most popular animals. Observe koalas as they walk, climb and jump to find food in the bush. Discover why koalas rarely drink.

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Seahorses

Peter Rowsthorn visits Melbourne Aquarium to answer the question 'Do male seahorses give birth to their young?' Discover the answer as a marine expert describes Syngnathids, a unique family of fish. Learn what makes the seahorse and the sea dragon so unusual in the marine animal world.

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Cloning plants

Discovery the amazing ability of plants to regenerate. A single cutting, such as a stem, can give rise to a whole new plant. This is an exact genetic copy, or clone, of its parent. Find out how gardeners take advantage of this feature to clone more copies of plants with desirable traits.

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Genes are controlled or regulated

Discover why organisms have different parts even though all their cells have the same set of DNA instructions. Find out how the activity of genes can be controlled, a process called gene regulation. Consider why regeneration of body parts is possible in some organisms and not others.