biology

Skeletonema dohrnii

Skeletonema dohrnii 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 Skeletonema dohrnii rather than just read about it. In short: Skeletonema dohrnii is a diatom. Together with S. marinoi, this species has flattened extremities of the processes of the fultoportulae, which interlock with those of succeeding valves without forming knuckles.

Key takeaways

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

Reference excerpt

Skeletonema dohrnii is a diatom. Together with S. marinoi, this species has flattened extremities of the processes of the fultoportulae, which interlock with those of succeeding valves without forming knuckles. It is a species of the genus Skeletonema that can be found in many waters across the globe. In the coastal waters of South Korea, their cell diameters are about 3 to 6 micrometers.

References

Further reading Kooistra, Wiebe HCF, et al. "Global diversity and biogeography of Skeletonema species (Bacillariophyta)." Protist 159.2 (2008): 177-193. Ellegaard, Marianne, et al. "The species concept in a marine diatom: LSU rDNA-based phylogenetic differentiation in Skeletonema marinoi/dohrnii (Bacillariophyceae) is not reflected in morphology." Phycologia 47.2 (2008): 156-167. Jung, Seung Won, et al. "Morphological characteristics of four species in the genus Skeletonema in coastal waters of South Korea." Algae 24.4 (2009): 195-203.

External links "Skeletonema dohrnii". The Encyclopedia of Life. AlgaeBase

Worked examples

Example 1 — a first encounter with Skeletonema dohrnii

Start with the simplest possible case. Write down what Skeletonema dohrnii 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 Skeletonema dohrnii 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 Skeletonema dohrnii 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 Skeletonema dohrnii

In research: Skeletonema dohrnii 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 Skeletonema dohrnii 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: Skeletonema dohrnii is common in secondary-school and first-year university syllabi. It links to neighbouring topics Diatom species, Diatom stubs, Protists described in 2005, so understanding it makes those chapters shorter.
In everyday life: Look for Skeletonema dohrnii 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 Skeletonema dohrnii in 20 minutes

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

Frequently asked questions

What is Skeletonema dohrnii in simple terms?

Why does Skeletonema dohrnii 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 Skeletonema dohrnii?

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 Skeletonema dohrnii.