Sponges, which are found in aquatic environments, have special flagellated cells that help to
draw food into their body cavities. Sponges are most likely __________.
a. filter feeders
b. fluid feeders
c. bulk feeders
d. predators
A
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Which is a primary reason that females are at greater risk of a urinary tract infection than are males?
A. The urethra is shorter in women, therefore bacteria are closer in proximity to the bladder. B. The pH of women is lower due to a greater abundance of lactobacilli which can overcolonize the urethra and migrate to the bladder. C. Hormonal shifts in women can lead to overgrowth of genitourinary bacteria that eventually colonize the bladder. D. The urethra is longer in women, therefore more bacteria can colonize the pathway to the bladder.
An excess of estrogen like molecules can have
which of the following effects on males? a. lower sperm production b. increase hair growth c. tumor growth on the surface of the testes d. increased reproduction e. all of these
When a piece of fragment breaks off and regenerates it is called what?
What will be an ideal response?
What statement best describes “biology”?
a. The science of life b. The naming of organisms c. The study of natural selection
d. The measurement of populations e. The study of how organisms are related to one another