The Best Explanation for Why the Emu,ostrich,and Rhea Are So

question 49

Multiple Choice

The best explanation for why the emu,ostrich,and rhea are so similar despite being geographically separated is

• A) continental drift.
• B) morphological convergence.
• C) natural selection.
• D) gaps in the fossil record.
• E) adaptation.

Identify the conditions under which various confidence intervals and bounds can be constructed.

Understand the relationship between sample size, margin of error, and confidence level.

Estimate the mean difference and proportion difference between two populations with specified precision.

Understand and apply the concept of standard error in the context of confidence intervals.

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