Which of the following statements best describes characteristics of Platyhelminthes?
A. They are acoelomate.
B. They are triploblastic.
C. They have an incomplete digestive system.
D. They respire by diffusion of gases through the body wall.
E. All the choices provided are true.
E. All the choices provided are true.
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Which of the following does (do) not always require the presence of living bacteria?
A. Food poisoning B. Bacterial diarrhea C. Intoxications D. All of the choices are correct.
Sensory receptors found in the ear are
a. chemoreceptors. b. mechanoreceptors. c. photoreceptors. d. none of the above.
Water molds are heterotrophic because they are parasitic on fish, plants, and insects.
Answer the following statement true (T) or false (F)
How many ATPs does the activation step require during a glycolysis energy production?
A) there are not enough ATPs available during this time so it requires 0 ATP. B) 36 ATPs C) 38 ATPs D) 2 ATPs