Pollen is produced by the:
A. stigma.
B. ovary.
C. stamen.
D. style.
E. petals.
C
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The animal in the above diagram has __________
a. an open circulatory system b. no capillaries c. a closed circulatory system d. spaces in the tissues for blood to pool in e. none of these
A bobcat is feeding on a white-tailed deer. It first eats the liver, which is rich in stored sugars. In what form would sugar be stored in the deer's liver?
A. glycogen B. amylose C. glucose D. maltose E. cellulose
To fight the recent outbreak of Zika virus in the Americas, scientists took advantage of ________ to force a gene to be passed on to progeny that resulted in short-lived offspring that did not reach maturity
A) gene drive B) selective breeding C) CRISPR-Cas D) DNA vaccines
Choose the letter of the best match from the following:A. Birth control pillB. Intrauterine deviceC. DiaphragmD. Foams and jelliesE. VasectomySperm destruction.
Fill in the blank(s) with the appropriate word(s).