Which of the Following Was Probably the Least Important Factor

question 10

Multiple Choice

Which of the following was probably the least important factor in bringing about the Cambrian explosion?

• A) the emergence of predator-prey relationships among animals
• B) the accumulation of diverse adaptations, such as shells and different modes of locomotion
• C) the movement of animals onto land
• D) the origin of Hox genes and other genetic changes affecting the regulation of developmental genes
• E) the accumulation of sufficient atmospheric oxygen to support the more active metabolism of mobile animals

Appreciate the necessity of management support for successful training implementation.

Know the features and benefits of using learning management systems for training.

Understand the concept of mean and how it is calculated for a dataset.

Understand the concept of standard deviation and its calculation for both population and sample data.