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(1) Explain the process of natural selection that has resulted in large antlers. Mention the three requirements for natural selection.

(2) Differentiate proximate and ultimate causes of behavior.

(3) Which of the various types of learning is occurring in my dog [see attachment for the example].

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Natural selection requires that (1) there is variation in the phenotype, (2) fitness varies with phenotype (individuals with one trait have more offspring than individuals with a different trait), and (3) the trait in question is genetically transmitted to offspring.

In the case of elk, (1) some elk have bigger antlers than others, (2) elks with large antlers tend to have more ...

Solution Summary

Animal behaviors are examined. The expert analyzes natural selections and proximate/ultimate causes.

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1. The data below was gathered in the Animal Behaviour lab. In this case, 5 zebra danios were placed in a container in compartment A of the aquarium and 5 goldfish were placed in a container in section C of the aquarium. The test fish, in this set of data was a zebra danio. Does this fish display schooling behaviour? Use the Chi-square test to see.

Table 2-1
Data is attached

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