The ____ consists of a whorl of petals
a. calyx
b. sepal
c. corolla
d. carpel
e. stamen
ANSWER: c
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Fraternal twins arise from two different fertilized eggs and are called ____ twins
Fill in the blank with the appropriate word.
Barringer Crater in Arizona was formed when a 300,000-ton asteroid slammed into Earth 50,000 years ago. Which
statement accurately depicts this event? a. The asteroid hit so early that it had little influence on the history of life. b. The asteroid produced about 150 times the energy of the bomb that hit Hiroshima. c. The impact of the asteroid resulted in a minor crater. d. The cause of the crater has been determined by examining fossils found at the site. e. The impact of the asteroid released only minor amounts of energy
The seminal vesicles secrete:a
fructose, which nourishes the developing embryo. b. a basic fluid, which neutralizes the acidic environment of the vagina. c. mucus, which lubricates the penis. d. sperm, which fertilize the ovum. e. prostaglandins, which stimulate contraction of the uterus.
Which statement is not true about the urinary microbiome?
A) Shifts in microbiome composition may be associated with physiological concerns such as incontinence. B) Most species can be cultivated using standard laboratory techniques. C) The most consistently detected species are Lactobacillus and Streptococcus. D) The species composition is consistent throughout the urinary system, across the lifespan or from person to person. E) The healthy urinary tract was believed to be sterile until molecular methods of analysis became available.