Cartilaginous fish (chondrichthyes):
A. have well-developed kidneys.
B. may have teeth made of bone.
C. are generally freshwater species.
D. have a swim bladder.
B
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The ____ prevents food and fluids from
entering the ____. a. epiglottis; larynx b. pharynx; larynx c. epiglottis; esophagus d. pharynx; trachea e. larynx; pharynx
Which of the following is the last structure that
a sperm travels through as it leaves the body? a. ureter b. urethra c. vas deferens d. ejaculatory duct e. epididymis
In the context of molecular genetics, how does one reconcile the terms overlapping genes and nonoverlapping code?
What will be an ideal response?
Based on DNA evidence, fossil evidence, homology, and vestigial structures, what do humans and chimpanzees share?
What will be an ideal response?