biology

Mexican hairy dwarf porcupine

Mexican hairy dwarf porcupine 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 Mexican hairy dwarf porcupine rather than just read about it. In short: The Mexican hairy dwarf porcupine or Mexican tree porcupine (Coendou mexicanus) is a species of rodent in the family Erethizontidae. It is found in Costa Rica, El Salvador, Guatemala, Honduras, Panama, Mexico, Nicaragua and Belize.

Key takeaways

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

Reference excerpt

The Mexican hairy dwarf porcupine or Mexican tree porcupine (Coendou mexicanus) is a species of rodent in the family Erethizontidae. It is found in Costa Rica, El Salvador, Guatemala, Honduras, Panama, Mexico, Nicaragua and Belize. This species was formerly sometimes assigned to Sphiggurus, a genus no longer recognized since genetic studies showed it to be polyphyletic. Its closest relatives are the Andean porcupine (Coendou quichua) and the stump-tailed porcupine (Coendou rufescens).

Description

This porcupine has a pale head and a dark-coloured body. The head-and-body length ranges between about 320 and 457 mm (12.6 and 18.0 in), with a tail ranging from 200 to 358 mm (8 to 14 in). The maximum weight is about 2.6 kg (6 lb). This porcupine is covered with short yellowish spines but these are almost entirely obscured by the long black hair on the body. Sometimes the spines on the shoulders and back are visible projecting through the hairs. By contrast, the head is hairless, revealing the yellowish spines. The snout is pink, broad and bulbous, and the eyes are small. The tail is prehensile, spiny and broad at the base, tapering to a point. This porcupine differs from Rothschild's porcupine (Coendou rothschildi) in that Rothschild's is more obviously spiny and lacks the hairy coat.

Ecology An arboreal species, it uses its prehensile tail to hold onto branches. It is nocturnal and is usually more active on dark nights. The day is spent in a hollow tree, concealed on a leafy branch, or in highland areas, in a clump of bamboos. As it uses the same hiding place each day, a pile of droppings accumulates which produces a strong odour. The diet consists of buds, young leaves, fruits and seeds. It particularly favours fruiting trees such as Inga, Cecropia, Ficus and Brosimum. Individuals normally live alone and are silent, but in the breeding season it is more vocal, emitting screams and yowls. The female usually bears a single offspring.

References

Illustrations

Worked examples

Example 1 — a first encounter with Mexican hairy dwarf porcupine

Start with the simplest possible case. Write down what Mexican hairy dwarf porcupine 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 Mexican hairy dwarf porcupine 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 Mexican hairy dwarf porcupine 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 Mexican hairy dwarf porcupine

In research: Mexican hairy dwarf porcupine 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 Mexican hairy dwarf porcupine 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: Mexican hairy dwarf porcupine is common in secondary-school and first-year university syllabi. It links to neighbouring topics Arboreal mammals, Coendou, IUCN Red List least concern species, so understanding it makes those chapters shorter.
In everyday life: Look for Mexican hairy dwarf porcupine 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 Mexican hairy dwarf porcupine in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Mexican hairy dwarf porcupine 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 Mexican hairy dwarf porcupine out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Mexican hairy dwarf porcupine in simple terms?

Why does Mexican hairy dwarf porcupine 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 Mexican hairy dwarf porcupine?

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 Mexican hairy dwarf porcupine.