Half of All American Youth Will Acquire an STD by the Age

question 5

True/False

Half of all American youth will acquire an STD by the age of 25.

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Definitions:

Cladograms

Diagrams used in cladistics which show relationships among species based on shared, derived characteristics, illustrating how they diverged from a common ancestor.

Organize Organisms

The process of classifying or arranging organisms into groups based on certain criteria or relationships.

Related Organisms

Related organisms share a common ancestry and exhibit similarities in their genetic makeup, physical traits, or both.

Chordate

Animal that has both a brain and a spinal cord.