Natural Selection in British Sign Language (BSL)
The sign for “natural selection” in BSL refers to the process of evolution where organisms better adapted to their environment tend to survive and reproduce. This concept is often discussed in educational settings, particularly in biology classes, and is relevant during discussions about evolution in the UK Deaf community.
How to Sign “Natural Selection” in BSL

- Start with your dominant hand in a flat ‘5’ shape, palm facing down, positioned in front of your chest.
- Move your hand slightly forward while bending the fingers downwards, representing the idea of selection.
- Next, use your non-dominant hand to form a ‘B’ shape, palm up, positioned slightly lower than your dominant hand.
- With your dominant hand, make a sweeping motion over the non-dominant hand, indicating the process of natural selection.
- Throughout the sign, maintain an engaged facial expression, as non-manual features like eyebrow movement can add emphasis and clarity to the sign.
Common Mistakes
- Some learners may confuse the hand shapes, using a ‘C’ shape instead of a ‘5’ shape for the dominant hand.
- Inconsistent facial expressions can lead to miscommunication; it’s important to maintain a focused expression.
- Forgetting to use space effectively can make the sign unclear; ensure you position your hands correctly to show the relationship between the movements.
BSL vs ASL
In BSL, “natural selection” involves specific hand shapes and movements that are unique to this sign. In contrast, ASL uses a different sign that may not have the same hand shapes or movements, reflecting the distinct grammar and syntax of each language.
Related Signs
- 1 – Represents the number one in BSL.
- 1 Dollar – Sign for one dollar in BSL.
- 10 – Represents the number ten in BSL.
- 100 – Sign for one hundred in BSL.
- 11 – Represents the number eleven in BSL.
Frequently Asked Questions
How do I use “natural selection” in a BSL sentence?
You can use it in a sentence like: “NATURAL SELECTION important in EVOLUTION.” Remember to incorporate the topic-comment structure.
Are there regional variations for this sign?
While the sign is largely consistent, some regions may have subtle variations in hand shape or movement. It’s best to learn from local Deaf community members.
What other signs are similar to “natural selection”?
Signs related to evolution, biology, and adaptation may have similarities, such as “evolution” and “species.”
Any tips for learning this sign?
Practice regularly and pay attention to the non-manual features. Watching native BSL signers can also help reinforce correct usage.
Is this sign used in educational contexts?
Yes, it’s commonly used in biology lessons and discussions about evolution, making it relevant for students.
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