biology

Oʻahu ʻakialoa

Oʻahu ʻakialoa 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 Oʻahu ʻakialoa rather than just read about it. In short: The Oʻahu ʻakialoa (Akialoa ellisiana) is an extinct species of Hawaiian honeycreeper in the subfamily Carduelinae of the family Fringillidae. It was endemic to the island of Oʻahu in Hawaii.

Key takeaways

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

Reference excerpt

The Oʻahu ʻakialoa (Akialoa ellisiana) is an extinct species of Hawaiian honeycreeper in the subfamily Carduelinae of the family Fringillidae. It was endemic to the island of Oʻahu in Hawaii.

Description

The bird was a long-billed insectivorous bird that was found in the high elevation forest. It was a dull colored species, dull green on the belly, bright green on rump and tail, dark olive-gray back and speckled yellow and green on the head. It was mainly an insectivore, using its bill to probe through the bark in search of arthropods, also using its long bill to probe flowers for nectar.

Status Since the population was already taking a toll due to the large amount of deforestation, it was susceptible to the avian influenza, more commonly known as the bird flu. This was brought in by mosquitoes who were carrying the virus and were able to spread it within the community. Because of the virus, the population fell to around 4–6 percent of its normal population (Pratt). Scientists were sure that this bird was still common in the 1860s, according to evidence found by Perkins. Afterward, few reports came in, though two were presumed to be seen in 1933 and one in 1940.

References

2: H. D. and T. Pratt. "The interplay of species concepts, taxonomy, and conservation: lessons from the Hawaiian avifauna." Studies in avian biology 22 (2001): 68–80.

External links 3D view Archived 2011-06-07 at the Wayback Machine of specimens RMNH 110.021, RMNH 110.022 and RMNH 110.023 at Naturalis, Leiden (requires QuickTime browser plugin)

Illustrations

Worked examples

Example 1 — a first encounter with Oʻahu ʻakialoa

Start with the simplest possible case. Write down what Oʻahu ʻakialoa 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 Oʻahu ʻakialoa 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 Oʻahu ʻakialoa 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 Oʻahu ʻakialoa

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

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

Frequently asked questions

What is Oʻahu ʻakialoa in simple terms?

The Oʻahu ʻakialoa (Akialoa ellisiana) is an extinct species of Hawaiian honeycreeper in the subfamily Carduelinae of the family Fringillidae. It was endemic to the island of Oʻahu in Hawaii.

Why does Oʻahu ʻakialoa 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 Oʻahu ʻakialoa?

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 Oʻahu ʻakialoa.