Which of the Following Accurately Describes the Use of Tree

question 127

Multiple Choice

Which of the following accurately describes the use of tree rings for studying past climates (dendroclimatology) ?

• A)The width of annual tree rings indicates the climatic conditions; wider rings suggest favorable conditions,whereas narrower rings suggest harsher conditions.
• B)Because most trees only live 60 to 100 years,dendrochronology can only serve as a climate record for recent history and are primarily used to supplement instrument data.
• C)The age of trees can be determined by tree ring analysis.By establishing the age of long -lived trees,one can determine the climate conditions of the area the year the tree sprouted.
• D)Dendrochronology is primarily used in the tropical regions,where one can easily correlate a tree speciesʹ age with the climatic conditions there.

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Definitions:

Multiple Genes

The involvement of two or more genes in influencing a particular trait, characteristic, or phenotype, often leading to a wider range of possible outcomes.

Trait

A distinguishing quality or characteristic, typically one belonging to a person.

Universal Recipients

Individuals, typically with AB+ blood type, who can receive red blood cells from any blood type without risk of an adverse reaction due to the absence of anti-A, anti-B, and anti-Rh antibodies.

Type AB Blood

A blood group characterized by the presence of both A and B antigens on the surface of red blood cells, resulting in the capability to accept A, B, AB, and O blood types.