The phrase "altered by changes" is correct and usable in written English.
It can be used to describe something that has been modified or transformed as a result of various changes.
Example: "The original design was altered by changes in the client's requirements, leading to a more functional final product."
Alternatives: "modified by adjustments" or "transformed by alterations".
Or, more accurately, marine organisms' ability to detect chemical signals is being altered by changes to ocean chemistry.
China's strengths cannot be altered by changes in the value of its currency or by restricting the flow of foreign investment into the country.
The ratios are altered by changes in environmental conditions; for example, at certain temperatures (e.g., 32 °C [about 90 °F]), only male gametophytes develop from the spores of five species, whereas at 15 °C (59 °F), approximately 50 percent are male and 50 percent are hermaphroditic gametophytes.
Our findings show that macroinvertebrate assemblage structure and trout diets can be altered by changes in riparian vegetation.
However, the fact that PCO2 values might be altered by changes in blood O2content (the Haldane effect), has been presented as a limitation of PCO2-derived variables.
The work was motivated by an experimental observation that the system's primary resonance can be dramatically altered by changes in loading conditions.
Floral resource phenology – which can be altered by changes in climate and land-use – is therefore key to bee fitness and community composition.
The effect of the interaction between yeast extract and CuSO4 (Fig. 2e) indicates that the l-DOPA yield was not highly altered by changes in the concentration of both media components.
During the crisis these norms of communication were suddenly altered by changes in the already complex functions of different actors, often creating tension – for example between the chief minister and the governor.
In material exhibiting transgranular fracture, crack propagation was not significantly altered by changes in alpha morphology (including precipitate size, aspect ratio and distribution) resulting from multi-step heat treatment.
Neuroscientist Tamas Horvath of the Yale University School of Medicine says that if the effect is similar in humans, "your entire biological rhythm might be altered" by changes in diet.
