biology

Ikelohyaena

Ikelohyaena 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 Ikelohyaena rather than just read about it. In short: Ikelohyaena (from Greek: ἴκελος íkelos, 'like' and Latin: hyaena, 'hyena') is an extinct genus of hyaenids that lived in Southern and Eastern Africa during the Pliocene. I. abronia, the type and only known species, has been found in Lothagam, Langebaanweg, and possibly Laetoli.

Key takeaways

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

Reference excerpt

Ikelohyaena (from Greek: ἴκελος íkelos, 'like' and Latin: hyaena, 'hyena') is an extinct genus of hyaenids that lived in Southern and Eastern Africa during the Pliocene. I. abronia, the type and only known species, has been found in Lothagam, Langebaanweg, and possibly Laetoli. I. abronia was dated to approximately 5.2 million years ago. Ikelohyaena is regarded by some authors as a possible but highly skeptical common ancestor of the modern striped hyenas and brown hyenas or as an early species of the lineage that lead to the striped hyena.

Characteristics I. abronia was smaller than a striped hyena. It had thinner forelimbs and longer hindlimbs than modern durophagous hyaenids, indicating that it may have had a more canid-like locomotion and stance. The M2 and m2 molars are retained in I. abronia rather than absent as in all extant hyaenids.

Etymology The generic name Ikelohyaena was chosen due to the morphological similarities between Ikelohyaena and the extant Hyaena hyaena.

Palaeobiology

Palaeoecology Finite element analysis indicates that the skull of Ikelohyaena abronia possessed some of the derived features of modern osteophagous hyaenids for stress dissipation, but also shows that the species had a considerably lower bite force than its extant durophagous relatives. Ikelohyaena had durophagous adaptations in its dentition but was less well-adapted to durophagy than modern durophagous hyaenids such as the striped hyena. Dental microwear analysis indicates that I. abronia consumed bone less frequently than modern durophagous hyaenids.

References

Worked examples

Example 1 — a first encounter with Ikelohyaena

Start with the simplest possible case. Write down what Ikelohyaena 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 Ikelohyaena 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 Ikelohyaena 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 Ikelohyaena

In research: Ikelohyaena 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 Ikelohyaena 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: Ikelohyaena is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cenozoic mammals of Africa, Fossil taxa described in 1991, Fossils of Kenya, so understanding it makes those chapters shorter.
In everyday life: Look for Ikelohyaena 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 Ikelohyaena in 20 minutes

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

Frequently asked questions

What is Ikelohyaena in simple terms?

Why does Ikelohyaena 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 Ikelohyaena?

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 Ikelohyaena.