Which male reproductive structure is “snipped” during a vasectomy?
1.epididymis
2.vas deferens
3.seminal vesicle
4.urethra
2
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The greater fitness seen in species that reproduce sexually can be contributed to what?
a. Sexually reproducing species are typically born into stable environments so have greater fitness. b. Fewer offspring are born, so more care can be given to each offspring. c. Genetic diversity is created through sexual reproduction. d. Sexual reproduction has greater energy requirements. n
The majority of fossils are found in
a. sedimentary rock. b. Antarctica. c. peat bogs. d. tar pits. e. volcanic deposits.
Early symptoms of which STD include flattened, painless chancres at the initial infection site; if left untreated in the
long term, this STD can cause mental illness, blindness, and death?
a. gonorrhea b. syphilis c. chlamydia d. trichomoniasis e. genital herpes
Joan and her doctor notice a suspicious lump in her breast. Joan also has a family history of breast cancer. Which of the following is not a likely next step as they work to determine the cause of the lump?
A. performing a diagnostic mammogram B. genetic testing for mutations in the BRCA1 gene C. taking a biopsy of the lump to look for the presence of cancer cells D. performing a mastectomy to remove all breast tissue in that breast