Which one of the following incorrectly pairs a vertebrate group with its major evolutionary innovation?
A. Amphibians-paired lateral fins
B. Placoderms-jaws
C. Dinosaurs-bipedalism
D. Sharks-teeth
E. Ostracoderms-cartilaginous endoskeleton
Answer: A
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Match the following items with the correct phrases.
_______1. ____________________ are examples of antibiotics that are produced by fungi. _______2. ____________________ are in a class of drugs known as penicillinase-resistant penicillins. _______3. ____________________ are examples of drugs that are used to treat tuberculosis. _______4. ____________________ are examples of drugs that inhibit protein synthesis. _______5. ____________________ are examples of drugs that could be destroyed by b-lactamases. a. Bactrim and Septra b. chloramphenicol, erythromycin, and tetracycline c. isoniazid, rifampin, pyrazinamide, ethambutol, and streptomycin d. methicillin, nafcillin, oxacillin, and cloxacillin e. penicillin and cephalosporin
__________ fungi include common molds. Fill in the blank(s) with the appropriate word(s)
Comparison of conserved sequences among related species usually leads to the identification of ________, which illustrate the nucleotides most often found at each position of DNA in the conserved region
Fill in the blank(s) with correct word
List the structures associated with the brain stem and indicate their primary function.
What will be an ideal response?