Which Ecdysozoan phylum includes many important decomposers, but also many damaging plant and animal parasites?
a. Arthropoda
b. Annelida
c. Nematoda
d. Nemertea
Answer: c. Nematoda
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In the future, drugs may block which microbial communication process to effectively treat infections?
What will be an ideal response?
A “solar-hydrogen age” has the possibility of ending
a. smog. b. oil spills. c. acid rain. d. a reliance on nuclear energy. e. all of these.
Sandy could be very disruptive in her first-grade class. She sometimes would scream and use foul language when she was frustrated; she mostly kept her hands to her side while interacting with her friends in the playground; and she would stare right into
the eyes of her teacher when he was explaining lessons. Her teacher, at his wit's end, complained to the principal that Sandy was autistic. Do you agree or disagree with the teacher? Explain your answer. What will be an ideal response?
What relationship is true of an uncharged atom?
What will be an ideal response?