What is the order of the salamanders?
a. Anura
b. Salientia
c. Urodela
d. Apoda
c. Urodela
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In nature, the predominant form of DNA is supercoiled in a negative direction
Indicate whether the statement is true or false.
The mucociliary blanket is found in the digestive system of mammals.
Answer the following statement true (T) or false (F)
Tapeworm(s):
A. have a tubelike digestive system. B. have a closed circulatory system. C. bodies consist of hundreds of reproductive segments. D. have a well developed sensory system to find vertebrate hosts. E. life cycles are simple and completed in their vertebrate hosts.
To test the prediction that increased phosphorous levels in lakes lead to increased minnow populations, scientists survey 20 lakes across Minnesota, measuring phosphorous content and quantifying minnow abundances. This is an example of what type of scientific approach?
What will be an ideal response?