Which characteristic is shared by cnidarians and flatworms?
A) dorsoventrally flattened bodies
B) radial symmetry
C) a digestive system with a single opening
D) a distinct head
C
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Organisms that have nutritional needs that are relatively complex and require extra media components to be used for growth are called:
a. fastidious. b. capnophiles. c. neutrophils. d. halophiles.
Walking through the botanical garden with a friend, you spy a rare and beautiful variety of Hosta. "Oh I would love to have one of those!" you exclaim. "But they cost a king's ransom." Your friend smiles, snips off a tiny piece of the shoot, and says, "I'll grow you one. I'll just take it back to lab and..."
Ranking Questions __ "wait for somatic embryos to form..." __ "grow up a callus..." __ "culture an individual plantlet for you..." __ "use enzymes to break down the cell walls..."
Studies have determined that ____ is not responsible for the cyclical rise and fall of arctic hare and lynx populations
a. predation b. a limited food supply for hares c. predation by other mammals d. intraspecies competition e. disease
Which reaction is the aerobic respiration of glucose?
a. C6H12O6 + 6 H2O ? 6 CO2 + 12 H2 + energy b. C4H12O4 + 2 H2O + 6 CO2 ? 6 O2 + ATP + energy c. C4H12O4 + 12 O2 + 6 H2O ? 6 CO2 + ATP + energy d. C6H12O6 + 6 O2 + 6 H2O ? 6 CO2 + 12 H2O + energy e. C4H12O2 + 6 O2 + ATP ? 6 CO2 + 12 H2O + energy