Pollination begins when pollen is transferred from the ________ to the ________ of a flower.
A. anther; ovary
B. stigma; embryo sac
C. anther; receptacle
D. synergid; egg
E. anther; stigma
Answer: E
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Which model of population growth would you employ if reproduction occurs in discrete time periods rather than being continuous?
A) exponential B) reciprocal C) logarithmic D) geometric
Reproductive success is measured by:
a. the body mass of an organism. b. the number of viable offspring. c. the longevity of an organism. d. the population size. e. the amount of food it eats.
Which statement about breast cancer is FALSE?
a. Cigarette smoking, obesity, and alcohol use have all been linked to a higher risk of breast cancer. b. With early diagnosis and treatment, almost 90% of breast cancer patients survive for five years. c. Breast cancer is the leading cause of cancer deaths in women. d. Growth of about two-thirds of breast cancers is enhanced by circulating estrogens and progesterone. e. Ten percent of breast cancers are familial.
Ig stands for __________.
Fill in the blank(s) with the appropriate word(s).