science

Jacques Géry

Jacques Géry 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 Jacques Géry rather than just read about it. In short: Jacques Géry (12 March 1917, Paris – 15 June 2007, Sarlat, France) was a French ichthyologist and Doctor of Medicine. The most notable species he described are: Green neon tetra, Paracheirodon simulans (Géry, 1963) Black neon tetra, Hyphessobrycon herbertaxelrodi (Géry, 1961) Royal tetra, Inpaichthys kerri (Géry & Junk, 1977) Rummy-nose tetra, Hemigrammus bleheri (Géry & Mahnert, 1986) Red phantom tetra, Hyphessobry…

Key takeaways

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

Reference excerpt

Jacques Géry (12 March 1917, Paris – 15 June 2007, Sarlat, France) was a French ichthyologist and Doctor of Medicine. The most notable species he described are:

Green neon tetra, Paracheirodon simulans (Géry, 1963) Black neon tetra, Hyphessobrycon herbertaxelrodi (Géry, 1961) Royal tetra, Inpaichthys kerri (Géry & Junk, 1977) Rummy-nose tetra, Hemigrammus bleheri (Géry & Mahnert, 1986) Red phantom tetra, Hyphessobrycon sweglesi (Géry, 1961) Brittanichthys axelrodi (Géry, 1965) Brittanichthys myersi (Géry, 1965)

See also Category:Taxa named by Jacques Géry

References Jacques Géry: Characoids of the world. T.F.H. Publications, Neptune City, ISBN 0-87666-458-3.

External links Literature by and about Jacques Géry in the German National Library catalogue Jacques Géry at aquapress-bleher.com

Worked examples

Example 1 — a first encounter with Jacques Géry

Start with the simplest possible case. Write down what Jacques Géry 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 Jacques Géry 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 Jacques Géry 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 Jacques Géry

In research: Jacques Géry 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 Jacques Géry 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: Jacques Géry is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1917 births, 2007 deaths, 20th-century French zoologists, so understanding it makes those chapters shorter.
In everyday life: Look for Jacques Géry 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 Jacques Géry in 20 minutes

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

Frequently asked questions

What is Jacques Géry in simple terms?

Jacques Géry (12 March 1917, Paris – 15 June 2007, Sarlat, France) was a French ichthyologist and Doctor of Medicine. The most notable species he described are: Green neon tetra, Paracheirodon simulans (Géry, 1963) Black neon tetra, Hyphessobrycon herbertaxelrodi (Géry, 1961) Royal tetra, Inpaichth…

Why does Jacques Géry 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 Jacques Géry?

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 Jacques Géry.