science

Santanmantis

Santanmantis 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 Santanmantis rather than just read about it. In short: Santanmantis is an extinct genus of mantises, the sole genus in the family Santanmantidae. The only species, Santanmantis axelrodi , is known from the Crato Formation of Brazil, dating to the late Aptian stage of the Early Cretaceous.

Key takeaways

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

Reference excerpt

Santanmantis is an extinct genus of mantises, the sole genus in the family Santanmantidae. The only species, Santanmantis axelrodi , is known from the Crato Formation of Brazil, dating to the late Aptian stage of the Early Cretaceous. It is amongst the most primitive known lineages of mantis. Like other mantises, the forelegs are modified into spined raptorial appendages. When describing a new specimen in 2017, Hörnig, Haug and Haug proposed that the second set of legs also had spines similar to the forelegs, and also served a raptorial function, but that they were not visible in the fossil due to being broken off. However a response to this paper criticised this assumption, finding that it had little evidence from the fossil itself or from living mantises.

References

Illustrations

Worked examples

Example 1 — a first encounter with Santanmantis

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

In research: Santanmantis 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 Santanmantis 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: Santanmantis is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cretaceous arthropods of South America, Cretaceous insects, Mantises, so understanding it makes those chapters shorter.
In everyday life: Look for Santanmantis 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.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Santanmantis in 20 minutes

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

Frequently asked questions

What is Santanmantis in simple terms?

Why does Santanmantis 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 Santanmantis?

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 Santanmantis.