biology

Pituophis deppei

Pituophis deppei 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 Pituophis deppei rather than just read about it. In short: Pituophis deppei, commonly known as the Mexican bullsnake and the Mexican pine snake, is a species of nonvenomous colubrid snake endemic to Mexico. There are two recognized subspecies.

Key takeaways

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

Reference excerpt

Pituophis deppei, commonly known as the Mexican bullsnake and the Mexican pine snake, is a species of nonvenomous colubrid snake endemic to Mexico. There are two recognized subspecies.

Etymology The specific name, deppei, is in honor of German artist Ferdinand Deppe, who collected natural history specimens in Mexico. The subspecific name, jani, is in honor of Italian herpetologist Giorgio Jan.

Geographic range P. deppei occurs in the Mexican states of Aguascalientes, Coahuila, Guanajuato, Hidalgo, Jalisco, Mexico, Morelos, Nayarit, Nuevo León, Oaxaca, Puebla, Querétaro, San Luis Potosí, Sinaloa, Sonora, and Tamaulipas.

Habitat The preferred natural habitats of P. deppei are forest, shrubland, and grassland, but it is also found in agricultural, suburban, and urban areas.

Description Dorsally, P. deppei is yellowish tan, with a series of large quadrangular blotches, which are dark brown to black. It has smaller dark spots on the sides. Ventrally, it is yellowish, with squarish brown spots. Adults may attain a total length of 1.69 m (5.5 ft), including a tail length of 18 cm (7.1 in).

Reproduction P. deppei is oviparous.

Subspecies Two subspecies are recognized as being valid, including the nominotypical subspecies.

Pituophis deppei deppei (A.M.C. Duméril, 1853) – southern Mexican pine snake Pituophis deppei jani (Cope, 1861) – northern Mexican pine snake Nota bene: A trinomial authority in parentheses indicates that the subspecies was originally described in a genus other than Pituophis.

References

Further reading Duellman WE (1960). "A Taxonomic Study of the Middle American Snake, Pituophis deppei ". University of Kansas Publications, Museum of Natural History 10 (10): 599–610. Duméril [AMC] (1853). "Prodrome de la classification des reptiles ophidiens ". Mémoires de l'Académie des Sciences, Paris 23: 399–536. (Elaphis deppei, new species, p. 453). (in French). Duméril A-M-C, Bibron G, Dumeril A[-H-A] (1854). Erpétologie génerale ou histoire naturelle complète des reptiles. Tome septième [Volume 7]. Première partie. Comprenant l'Histoire des serpents non venimeux. Paris: Roret. xvi + 780 pp. (Elaphis deppei, p. 268). (in French). Heimes P (2016). Snakes of Mexico: Herpetofauna Mexicana Vol. I. Frankfurt am Main, Germany: Chimaira. 572 pp. ISBN 978-3899731002.

Illustrations

Worked examples

Example 1 — a first encounter with Pituophis deppei

Start with the simplest possible case. Write down what Pituophis deppei 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 Pituophis deppei 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 Pituophis deppei 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 Pituophis deppei

In research: Pituophis deppei 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 Pituophis deppei 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: Pituophis deppei is common in secondary-school and first-year university syllabi. It links to neighbouring topics Endemic reptiles of Mexico, IUCN Red List least concern species, Pituophis, so understanding it makes those chapters shorter.
In everyday life: Look for Pituophis deppei 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 Pituophis deppei in 20 minutes

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

Frequently asked questions

What is Pituophis deppei in simple terms?

Pituophis deppei, commonly known as the Mexican bullsnake and the Mexican pine snake, is a species of nonvenomous colubrid snake endemic to Mexico. There are two recognized subspecies.

Why does Pituophis deppei 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 Pituophis deppei?

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 Pituophis deppei.