Extinct jawless fish include the:a
lungfish.
b. lancelets.
c. placoderms.
d. acanthodians.
e. ostracoderms.
E
You might also like to view...
Rhabditiform larvae measuring 275 m with a long buccal capsule and a small genital primordium was identified as hookworm. Which one of the following statements explains this discrepancy?
a. A technical error occurred in identifica-tion. b. The larvae characteristics represent S. stercoralis; therefore the organism was incorrectly reported out. c. The larvae characteristics represent pin-worm; therefore the organism was incor-rectly reported out. d. No error occurred. Hookworm is the cor-rect identification for an organism with these characteristics.
Which of the following is a cure for people with recurrent infection from Clostridium difficile?
A) Renal transplantation B) Genetic restructuring C) Grafting D) Fecal transplantation
Genetically engineered plants that contain high levels of beta-carotene are especially important additions to the diet because beta-carotene is converted to ________ in the human body
Fill in the blank(s) with correct word
Which of the following hormones has the fewest targets?
A. Thyroid-stimulating hormone B. Growth hormone C. Testosterone D. Oxytocin E. Melatonin