All of the following are teratogens except _____

1. thalidomide
2. tetracycline
3. medical X-rays
4. Toxoplasma gondii
5. alcohol

6. all of these are
considered teratogens


6

Biology & Microbiology

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Which of the following breaks down the slowest during decomposition?

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In some regions, butterflies are emerging earlier than the flowering of herbaceous plants. This is an issue because

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