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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
lifeforms that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "lifeforms that" is correct and usable in written English.
You can use it when referring to various types of living organisms or entities in a scientific or speculative context. Example: "Scientists are studying lifeforms that can survive in extreme environments, such as deep-sea vents."
✓ Grammatically correct
Science
News & Media
Wiki
Alternative expressions(5)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
16 human-written examples
"On Earth we may be co-inhabiting with microbial lifeforms that have a completely different biochemistry from the one shared by life as we currently know it".
News & Media
This in turn played a critical role in permitting the formation of lifeforms that then reduced levels of greenhouse gases in our atmosphere and kept our planet habitable.
News & Media
Yet the Cretaceous saw the first appearance of many lifeforms that would go on to play key roles in the coming Cenozoic world.
Since arsenic is toxic to other lifeforms, that would make the microbe different from anything else found on Earth.Within a week of publication, however, scientists around the world began poking holes in the study.
News & Media
Indeed, as scientists explore the Red Planet via the Mars Pathfinder and a series of subsequent NASA missions planned over the next decade, other researchers are studying the microbial lifeforms that inhabit this vast cave in Carlsbad Caverns National Park, evaluating the possibility of analogous creatures lurking beneath the Martian surface.
News & Media
"The Commission views startups as lifeforms that don't communicate with bigger businesses," EU spokesman for ACT, Greg Polad, told TechCrunch.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
44 human-written examples
A fossilised lifeform that existed 558m years ago has been identified as the oldest known animal, according to new research.
News & Media
Hardy will play Eddie Brock, a freelance photographer who becomes infected by an alien lifeform that needs a host in order to survive.
News & Media
This entity turns out to be Bolbox, a lifeform that has evolved into a freakish and evil advanced being by consuming the crystals, believing itself to be the first human, but in reality is a gigantic single-celled organism.
Wiki
The Planet had once been inhabited by the Cetra (or "Ancients"), who were almost completely destroyed by Jenova, an extraterrestrial lifeform that crashed onto the Planet 2,000 years previously, and began infecting the Cetra with a virus.
Wiki
These are habitats with extraordinary and unique lifeforms; places that behave like deepwater stores for the carbon locked up in marine life when that life comes to an end and gravity drags them down.
News & Media
Expert writing Tips
Best practice
When discussing hypothetical or undiscovered organisms, use "lifeforms that" to maintain a scientifically neutral tone. This phrase avoids premature assumptions about the nature or classification of the entities.
Common error
Avoid using "lifeforms that" in casual writing. Simpler terms like "creatures" or "animals" may be more appropriate and less jarring for the reader.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "lifeforms that" functions as a relative clause, modifying the noun "lifeforms". It introduces additional information or characteristics about the lifeforms being discussed, as supported by the Ludwig AI.
Frequent in
News & Media
32%
Wiki
23%
Science
20%
Less common in
Academia
7%
Formal & Business
6%
Reference
0%
Ludwig's WRAP-UP
In summary, "lifeforms that" is a grammatically sound and relatively common phrase used to describe living organisms with particular attributes or characteristics. Ludwig AI confirms its correctness. It's most frequently found in news, media and wiki contexts, often in discussions of science, nature, or hypothetical creatures. When writing, use this phrase in formal or scientific settings where precision is key. Consider using alternative phrases like "organisms that" or "creatures that" in more casual contexts. While grammatically correct, overuse in informal settings can sound unnatural.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
organisms which
Replaces "lifeforms" with "organisms" and "that" with "which", offering a more formal tone.
forms of life that
Rephrases "lifeforms" to "forms of life", providing a slightly more literary or descriptive alternative.
living things that
Expands "lifeforms" to the more descriptive "living things", adding emphasis.
creatures that
Substitutes "lifeforms" with "creatures", changing the connotation to emphasize the animalistic nature.
biological entities that
Adds the adjective "biological" for clarity, specifying the nature of the entities.
entities that
Replaces "lifeforms" with "entities", broadening the scope to include potentially non-biological forms.
living systems that
Uses "living systems" instead of "lifeforms", emphasizing the integrated and complex nature of life.
extant organisms that
Adds "extant" to specify that the organisms are currently living and not extinct.
beings that
Substitutes "lifeforms" with "beings", suggesting a higher level of consciousness or complexity.
species that
Replaces "lifeforms" with "species", narrowing the focus to a specific taxonomic classification.
FAQs
How can I use "lifeforms that" in a sentence?
You can use "lifeforms that" to describe living entities with specific characteristics or capabilities. For example, "Scientists are studying "lifeforms that can survive extreme conditions"".
What are some alternatives to "lifeforms that"?
Alternatives include "organisms that", "creatures that", or "beings that depending on the specific context and the level of formality required".
Is "lifeforms that" grammatically correct?
Yes, "lifeforms that" is grammatically correct. It's a relative clause used to specify a particular group of lifeforms with a certain attribute. Ludwig AI confirms that this phrase is correct and usable in written English.
When is it appropriate to use "lifeforms that"?
"Lifeforms that" is most appropriate in scientific, academic, or technical contexts where precision and a neutral tone are important. In more casual or creative writing, consider using alternatives for better flow and readability.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested