Which of the following directional reference pairs consists of anatomic equivalents when referring to the human body?
Ans: anterior, ventral
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Explain the stages of syphilis. What are the characteristics of and treatments required at each stage?
What will be an ideal response?
Once organisms are classified as to their domain, there are still millions of different species in each domain. Subdividing them even further makes it easier to understand their relationships to each other. A domain is divided into more subgroups until genus species is reached. Which of the groups listed is the broader group (contains more members)?
A. Order. B. Class. C. Family. D. Phylum. E. Kingdom.
Many species of birds form large flocks. What dispersion pattern describes this behavior?
A. random B. uniform C. rapid D. social E. clumped
The protein that carries oxygen in the red blood cells is
A. myoglobin. B. hemoglobin. C. actin. D. iron. E. insulin.