A(n) _____________ group contingency is one in which reinforcement is available to all members of a group, but each individual earns reinforcement based on their own performance, rather than the performance of others.

There are no hard deadlines in this class, and you can use your notes for your tests.

I do not drop your lowest score for homework, quizzes, or exams.

Select the correct phylum  

What is the primary function of the swim bladder in fish?

Which of the following classes of arthropods contains crayfish?

Which of the following are the four key characteristics of chordates?

Which of the following is a characteristic of ray-finned fish?

Fiona is an avid food blogger. If she posts a total of 216 recipes over the course of 36 weeks. How many recipes is she posting each week? Round your answer to the nearest whole recipe.   

Which of the following are the four key characteristics of chordates?