What is the defining characteristic of the hornworts?
a. large and flat gametophyte
b. large and cone-shaped spores
c. narrow pipe-like sporophyte
d. thin tubular rhizoids
c. narrow pipe-like sporophyte
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The pelvic organs receive blood from the ____
a. hepatic veins b. iliac arteries c. femoral arteries d. pulmonary arteries e. pulmonary veins
An alien from another planet landed on earth. He is fascinated by cars and is determined to figure out how they work. He decides to disassemble one of them and examine each part independently. He removes one of the tires and proceeds to learn all he can about the tire. He then removes one of the headlights and proceeds to learn all he can about the headlight. What type of approach is this alien taking to learn about the car?
A. deductive reasoning B. emergent properties C. reductionism D. inductive reasoning
By evaluating and selecting mates with superior qualities, an animal can increase its
A. foraging efficiency. B. competitive strategies. C. learning. D. length of life. E. reproductive success.
You work for a company that manufactures food products. A new "wonder food" is being distributed by a rival company. The researchers in your company determine that the "wonder food" contains only carbon, oxygen, and hydrogen. At this point, your
researchers can say with certainty that the food A) includes proteins. B) could only be made of triglycerides. C) could only be made of carbohydrates. D) does not include proteins or nucleic acids.