biology

Lānaʻi ʻalauahio

Lānaʻi ʻalauahio 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 Lānaʻi ʻalauahio rather than just read about it. In short: The Lānaʻi ʻalauahio (Paroreomyza montana montana) is an extinct subspecies of Hawaiian honeycreeper, found on much of the island of Lana'i in the Hawaiian archipelago. It apparently was common until the early 1900s, when there appeared to have been a steep decline in birds on the island.

Key takeaways

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

Reference excerpt

The Lānaʻi ʻalauahio (Paroreomyza montana montana) is an extinct subspecies of Hawaiian honeycreeper, found on much of the island of Lana'i in the Hawaiian archipelago. It apparently was common until the early 1900s, when there appeared to have been a steep decline in birds on the island. It was similar to the Maui alauahio and this species may have reacted similarly to its existing relative, to which it was considered conspecific. This bird was one of several to vanish from Lana'i, along with others such as the Lanai hookbill. The extinction of this species was primarily driven by habitat degradation. Apparently the many forest plants of Lana'i had become displaced, rare or even extinct as a result of human activity. With settlers came a host of invasive plants from Europe and other continents. The nail in the coffin for the 'alauahio may have been the destruction of forest associated with the construction of the island's main city, Lanai City. Though not much of its natural history is known, its song was recorded to be a simple chip that was sung at an interval of one chip every three seconds. It disappeared in 1937, the same year that the ʻUla-ʻai-hāwane disappeared on Hawaii.

References

Frohawk, F.W. "Annotated List of Hawai'i's Extinct Birds" 3 January 2008

Illustrations

Worked examples

Example 1 — a first encounter with Lānaʻi ʻalauahio

Start with the simplest possible case. Write down what Lānaʻi ʻalauahio 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 Lānaʻi ʻalauahio 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 Lānaʻi ʻalauahio 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 Lānaʻi ʻalauahio

In research: Lānaʻi ʻalauahio 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 Lānaʻi ʻalauahio 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: Lānaʻi ʻalauahio is common in secondary-school and first-year university syllabi. It links to neighbouring topics Biota of Lanai, Bird extinctions since 1500, Birds described in 1890, so understanding it makes those chapters shorter.
In everyday life: Look for Lānaʻi ʻalauahio 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 Lānaʻi ʻalauahio in 20 minutes

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

Frequently asked questions

What is Lānaʻi ʻalauahio in simple terms?

Why does Lānaʻi ʻalauahio 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 Lānaʻi ʻalauahio?

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 Lānaʻi ʻalauahio.