earth science

Phyllodesmium jakobsenae

Phyllodesmium jakobsenae is a earth 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 Phyllodesmium jakobsenae rather than just read about it. In short: Phyllodesmium jakobsenae is a species of sea slug, an aolid nudibranch, a marine gastropod mollusk in the family Facelinidae. The specific name jakobsenae is in honor of diver and donor of marine slugs for research, Mrs.

Key takeaways

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

Reference excerpt

Phyllodesmium jakobsenae is a species of sea slug, an aolid nudibranch, a marine gastropod mollusk in the family Facelinidae. The specific name jakobsenae is in honor of diver and donor of marine slugs for research, Mrs. Wera Jakobsen.

Distribution The distribution of Phyllodesmium jakobsenae includes Bunaken Island, North Sulawesi, Indonesia and the Philippines.

Description This species contains zooxanthellae of the genus Symbiodinium in the digestive gland (hepatopancreas). It grows to 30 mm in length.

Ecology Phyllodesmium jakobsenae feeds on the soft coral Xenia.

References

Illustrations

Worked examples

Example 1 — a first encounter with Phyllodesmium jakobsenae

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

In research: Phyllodesmium jakobsenae appears in earth 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 Phyllodesmium jakobsenae 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: Phyllodesmium jakobsenae is common in secondary-school and first-year university syllabi. It links to neighbouring topics Facelinidae, Gastropods described in 2004, Molluscs of the Pacific Ocean, so understanding it makes those chapters shorter.
In everyday life: Look for Phyllodesmium jakobsenae 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 Phyllodesmium jakobsenae in 20 minutes

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

Frequently asked questions

What is Phyllodesmium jakobsenae in simple terms?

Why does Phyllodesmium jakobsenae matter?

Because it connects several earth 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 Phyllodesmium jakobsenae?

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 Phyllodesmium jakobsenae.