A flap of tissue called the __________ directs air
through the __________, the opening to the
__________ (windpipe). Fill in the blank(s) with the appropriate word(s).
Answer: epiglottis; glottis; trachea
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If a plant species with 2n = 14 forms an allopolyploid with a plant species with 2n = 18, what would be the likely diploid (2n) number of the allopolyploid?
A) 16 B) 28 C) 32 D) 36
The ____ is a channel for urine to flow from a
kidney to the urinary bladder. It is labeled as ____ on the above diagram.
a. urethra; B b. urethra; D c. ureter; D d. ureter; B e. ureter; C
Every year, incoming solar energy is __________
the energy that is stored in all known fossil reserves. a. half b. one-fourth c. twice d. five times e. ten times
Why do you suppose cytokinesis generally occurs in the cell’s midplane?
What will be an ideal response?