An Example of an Animal with Paired Nerve Cords That

question 85

Multiple Choice

An example of an animal with paired nerve cords that connect to a simple brain is a ____.​

• A) ​starfish
• B) ​jellyfish
• C) ​grasshopper
• D) ​sea urchin
• E) ​planarian

Distinguish between misconceptions and scientific principles in evolutionary biology and psychology.

Describe the mechanisms of natural selection, including sources of variability and the concept of fitness.

Grasp the evolutionary basis of human sociality, including group membership and status evaluation.

Understand the unique evolutionary traits of humans, including culture, bipedalism, and brain development.

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Definitions:

Sampling Distribution

The distribution of probabilities for a particular statistic based on a random sample, which is used to infer characteristics of the population.

Miles Per Gallon

A measure of fuel efficiency in vehicles, indicating the distance in miles a vehicle can travel per gallon of fuel consumed.

Simple Random Sample

A segment of a statistical group where every member possesses an identical probability of selection.

Sampling Plan

A strategy that outlines how samples will be collected from a population for the purpose of research or quality control.