Research has shown that positive thinking can have a beneficial impact by reducing test anxiety and improving performance on exams. For your first question, select a positive affirmation from below to carry with you as you complete the exam and write it as your answer for this first question. If you have your own positive affirmation, feel free to write it instead.   I’ve done my best to study for this test and am well prepared. I will use any nervous energy I have as a positive force. This is a good opportunity to show what I know. This is just one test, and it doesn’t define who I am as a person or what my future holds. I have the skills to succeed on this exam.

Which of the following is NOT true regarding adaptive radiation?

Which of these time intervals, based on plant fossils, came last (most recently in time)?

Which of the following is NOT an example of a vicariance event?

The options below provide the number of individuals in a population of each genotype. Which population has the highest heterozygosity?

Determine whether each statement regarding protists is true or false.

Determine whether each statement regarding multicellularity is true or false.

Male frogs give calls that attract female frogs to approach and mate. Researchers examined mating calls of closely related but separate species of tree frogs in South America. What outcomes could possibly occur where the ranges of two species overlap?

Indicate whether the output will be “Yes”, “No”, no output, or will it produce an error message for the following bash command.  pi=3.14r=4c=`echo “2*$pi*$r” | bc -l`if [ $c -gt 12 ]; then        echo “Yes”else        echo “No”fi

Indicate whether the output will be “Yes”, “No”, no output, or will produce an error for the following bash command: ((y=10))if (( $y > 25 )); then echo “Yes”; else echo “No”; fi