biology

Julia Creek dunnart

Julia Creek dunnart is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Julia Creek dunnart rather than just read about it. In short: The Julia Creek dunnart (Sminthopsis douglasi) is a marsupial with a buffy brown upperside and white underside. This dunnart has a body length of 100–135 mm with a tail of 60–105 mm to make a total length of 160–240 mm.

Key takeaways

Julia Creek dunnart belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Julia Creek dunnart to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Julia Creek dunnart from memory before moving on to harder problems.

Reference excerpt

The Julia Creek dunnart (Sminthopsis douglasi) is a marsupial with a buffy brown upperside and white underside. This dunnart has a body length of 100–135 mm with a tail of 60–105 mm to make a total length of 160–240 mm. Its weight is between 40 and 70 g. The length of the hind foot is 22–24 mm. The species has a dark brown triangle colour from above and below the eye with the point at the nose, and another dark stripe on top of the skull. A healthy dunnart has a carrot-shaped tail filled with fat stores.

Distribution and habitat Julia Creek dunnarts are typically found on 8000 km2 in the Mitchel Grass downs of riparian grasslands, between Julia Creek and Richmond in Queensland, it possibly occurs in the Mitchell Plateau of Western Australia. The prickly acacia is a threat to its habitat as it kills native grasslands. Cultivation and introduced species also threaten this dasyurid's habitat.

Social organization and breeding During the dry season, it shelters in cracks in the ground; in the wet season it shelters under vegetation. This nocturnal animal doesn't drink often as all the water it needs is in the food. Gestation is for 13 to 16 days with an average of eight young born. The joeys are dependent on the mother for around 70 days. The age at which captive animals commence breeding ranges from 13 to 38 weeks (females) and 23 to 40 weeks (males). Breeding in wild populations is seasonal and occurs over a six-month period from August to March, which encompasses the hottest and wettest time of the year. Both females and males are known to be capable of breeding in more than one season and females have the potential to rear two litters in a season. A 4 mm-long joey can breathe through its skin.

Diet The diet of this species is made up of insects and small vertebrates.

Status The Julia Creek dunnart is currently listed as a near threatened species by the IUCN. This is likely due to the invasion of prickly acacia plants and introduced predators such as cats and foxes. It was thought to be extinct in the 1930s until it was rediscovered in 1992.

References

Menkhorst, Peter W. (1995). Mammals of Victoria. Oxford Press. ISBN 978-0-19-553733-8.

External links Julia Creek Dunnart Sminthopsis douglasi Australian Biological Resources Study

Illustrations

Worked examples

Example 1 — a first encounter with Julia Creek dunnart

Start with the simplest possible case. Write down what Julia Creek dunnart claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Julia Creek dunnart before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Julia Creek dunnart ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Julia Creek dunnart

In research: Julia Creek dunnart appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Julia Creek dunnart in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Julia Creek dunnart is common in secondary-school and first-year university syllabi. It links to neighbouring topics Dasyuromorphs, Endemic fauna of Queensland, IUCN Red List near threatened species, so understanding it makes those chapters shorter.
In everyday life: Look for Julia Creek dunnart outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Julia Creek dunnart in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Julia Creek dunnart means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Julia Creek dunnart out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Julia Creek dunnart in simple terms?

Why does Julia Creek dunnart matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Julia Creek dunnart?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Julia Creek dunnart.