In which of the following groups must sperm no longer swim to reach the female gametophyte?
a. Bryophytes
b. Ferns
c. Gymnosperms
d. Both gymnosperms and angiosperms
e. Angiosperms
Answer: d. Both gymnosperms and angiosperms
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Stimulus recognition is often carried out by specialized sensory receptors called ____ detectors
Fill in the blank with the appropriate word.
What would be a consequence of a missing or damaged epiglottis?
a. an inability to swallow food b. digestive acid escaping into the esophagus c. aspiration of food into the lungs d. incomplete neutralization of chyme
The polysaccharide found in the cell walls of plants is ________.
Fill in the blank(s) with the appropriate word(s).
Which muscle(s) would have the greatest number of muscle cells per motor unit?
A) muscles controlling the movement of our hands B) facial muscles C) a thigh muscle D) muscles controlling the movement of an eyeball