science

Oligophagy

Oligophagy is a science 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 Oligophagy rather than just read about it. In short: Oligophagy refers to the eating of only a few specific foods, and to monophagy when restricted to a single food source. The term is usually associated with insect dietary behaviour.

Key takeaways

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

Reference excerpt

Oligophagy refers to the eating of only a few specific foods, and to monophagy when restricted to a single food source. The term is usually associated with insect dietary behaviour. Organisms may exhibit narrow or specific oligophagy where the diet is restricted to a very few foods or broad oligophagy where the organism feeds on a wide variety of specific foods but none others. Polyphagy, on the contrary, refers to eating a broad spectrum of foods. In the insect world it refers usually to insects that feed on plants belonging to different families.

Examples The diet of the yucca moths is restricted to the developing fruits of species of yucca while the sea hare, Aplysia juliana (Quoy & Gaimard), is found on and feeds only on a single alga, Ulva lactuca (Linnaeus) in east Australian waters. These are both narrow oligophages. Conversely the migratory locust may be said to be broadly oligophagous or even polyphagous.

Footnotes

References Huffaker, Carl B. & Gutierrez, A. P. (1999). Ecological Entomology. 2nd Edition (illustrated). John Wiley and Sons. ISBN 0-471-24483-X, ISBN 978-0-471-24483-7. Limited preview on Google Books. Accessed 9 January 2010. Rogers, C. N.; Steinberg, P. D. & de Nys, R. (1994). "Factors associated with oligophagy in two species of sea hares (Mollusca: Anaspidea)". Journal of Experimental Marine Biology and Ecology, Volume 192, Issue 1, 17 October 1995, Pages 47–73. doi:10.1016/0022-0981(95)00057-X.

Illustrations

Worked examples

Example 1 — a first encounter with Oligophagy

Start with the simplest possible case. Write down what Oligophagy claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Oligophagy 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 Oligophagy 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 Oligophagy

In research: Oligophagy appears in science 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 Oligophagy 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: Oligophagy is common in secondary-school and first-year university syllabi. It links to neighbouring topics Eating behaviors, Insect behavior, so understanding it makes those chapters shorter.
In everyday life: Look for Oligophagy 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 Oligophagy in 20 minutes

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

Frequently asked questions

What is Oligophagy in simple terms?

Oligophagy refers to the eating of only a few specific foods, and to monophagy when restricted to a single food source. The term is usually associated with insect dietary behaviour.

Why does Oligophagy matter?

Because it connects several science 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 Oligophagy?

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 Oligophagy.