Ecologists Often Build Models to Depict the Relationships Between Organisms

question 37

Multiple Choice

Ecologists often build models to depict the relationships between organisms. In such models, an arrow is used to link two organisms in a relationship. The arrowhead is next to the organism that is affected. If the effect is positive, the arrow is labeled with (+) , and if negative, then the label is (-) . Capuchin monkeys have been known to use rocks to smash open the fruits of Brazil nut trees. On the rare occasions this has been observed, the monkeys consume all of the Brazil nuts. Thus, which of the following correctly depicts the relationship between capuchin monkeys and Brazil nut trees?

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Definitions:

Autism Spectrum Disorder

A developmental disorder affecting communication and behavior, characterized by difficulties in social interaction and by restricted or repetitive patterns of thought and behavior.

Heredity

Heredity is the process through which traits and characteristics are passed down from parents to their offspring through genes.

Epigenetics

The study of heritable changes in gene expression that occur without alterations to the DNA sequence, often influenced by environmental factors and experiences.

Organic Methyl Molecules

Organic compounds containing a methyl group that are involved in numerous chemical reactions and biological processes.