Which organ, gland, or tissue normally occurs in pairs in males?

a. glans
b. corpus spongiosum
c. corpus cavernosum
d. prostate


c. corpus cavernosum

Biology & Microbiology

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The following are steps used to construct a cladogram that best reflects the evolutionary relationships of a group of species. Which step involves deciding which tree is most likely to have occurred, based on the fewest character state changes?  

A.  Polarize the characters. B.  Establish the character states. C.  Gather data on characters to be used. D.  Apply the principle of parsimony. E.  Select an outgroup. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean?   Gather Content · What do you already know about cladograms?   Consider Possibilities · Consider the different answer options. Which can you rule out?   Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?   Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

A recognized set of symptoms that characterize a genetic disorder is a(n) _____

a. syndrome b. disease c. abnormality

Biology & Microbiology

A symbiotic relationship between a phage and a bacterium apparently occurs in the process of lysogeny

Indicate whether the statement is true or false

Biology & Microbiology

Human sperm must develop at a temperature that is _____ body temperature.

Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology