A fastidious organism must be grown on what type of medium
A. differential medium
B. enriched medium
C. defined medium
D. general-purpose medium
B. enriched medium
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A beautiful wood desk you may do your homework on was once a living tree, but after being cut down its tissues died. Now, it only exhibits what property of life?
A. Organization B. Metabolism C. Homeostasis D. Sensitivity
________ formed the semipermeable membrane-like surfaces for the earliest life forms
A) Proteins B) Hydrogen sulfide C) Lipid bilayers D) RNA
Because most birds travel through the air at high speeds, they must have
a) highly sensitive sensory systems. b) eggs and no placenta. c) a crop and a gizzard. d) complex songs. e) a three-chambered heart.
Select all of the following that are true about cephalopods.
A. They are very intelligent and are capable of learning by observation. B. They have a closed circulatory system C. They lack a shell. D. They are exclusively herbivorous. E. They may be very large and can weigh over 1000 pounds.