biology

Pearson's tuco-tuco

Pearson's tuco-tuco 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 Pearson's tuco-tuco rather than just read about it. In short: Pearson's tuco-tuco (Ctenomys pearsoni) is a species of rodent in the family Ctenomyidae. It is endemic to Uruguay, where it is found at elevations below 200 m.

Key takeaways

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

Reference excerpt

Pearson's tuco-tuco (Ctenomys pearsoni) is a species of rodent in the family Ctenomyidae. It is endemic to Uruguay, where it is found at elevations below 200 m. This tuco-tuco constructs burrows with multiple openings (an average of 13) containing one to two nests of dried grass; it prefers areas of sandy soil but is somewhat adaptable. It is threatened by loss of habitat to development, agriculture and ranching. Multiple karyotypes have been reported, including 2n = 68–70, FN = 80–88, as well as 2n = 56, FN = 77–79, suggesting the taxon may represent several species. C. dorbignyi appears to be cytogenetically indistinguishable from the 2n = 70 form. The species is named after American zoologist Oliver Payne Pearson.

References

Illustrations

Worked examples

Example 1 — a first encounter with Pearson's tuco-tuco

Start with the simplest possible case. Write down what Pearson's tuco-tuco 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 Pearson's tuco-tuco 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 Pearson's tuco-tuco 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 Pearson's tuco-tuco

In research: Pearson's tuco-tuco 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 Pearson's tuco-tuco 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: Pearson's tuco-tuco is common in secondary-school and first-year university syllabi. It links to neighbouring topics Endemic fauna of Uruguay, IUCN Red List near threatened species, Mammals described in 1983, so understanding it makes those chapters shorter.
In everyday life: Look for Pearson's tuco-tuco 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 Pearson's tuco-tuco in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Pearson's tuco-tuco 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 Pearson's tuco-tuco out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Pearson's tuco-tuco in simple terms?

Pearson's tuco-tuco (Ctenomys pearsoni) is a species of rodent in the family Ctenomyidae. It is endemic to Uruguay, where it is found at elevations below 200 m.

Why does Pearson's tuco-tuco 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 Pearson's tuco-tuco?

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 Pearson's tuco-tuco.