Which of the following is a secondary sexual trait?
a. ovulation in females
b. production of semen in males
c. facial hair in males
d. ovaries in a female
e. testes in males
ANSWER: c
Biology & Microbiology
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a. skeletal system b. muscular system c. cardiovascular system d. central nervous system e. respiratory system
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The lower portion of the uterus is called the endometrium Indicate whether the statement is true or false
Biology & Microbiology
Farmers who practice no-till methods commonly use herbicides
Indicate whether the statement is true or false
Biology & Microbiology