All living organisms are not connected through the flow of energy and the cycling of materials
1.True
2.False
2
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A plant has the following characteristics: a taproot system, several growth rings evident in a cross section of the stem, and a layer of bark around the outside. Which of the following best describes the plant?
A) herbaceous eudicot B) woody eudicot C) woody monocot D) herbaceous monocot E) woody annual
The methanogenic archaeans are ____ that pull electrons from ____
a. chemoautotrophs; oxygen b. chemoheterotrophs; carbon dioxide c. chemoautotrophs; water d. chemoheterotrophs; methane e. chemoautotrophs; hydrogen gas
Biological wealth is the source of
a. food. b. medicine. c. ecotourism. d. economic opportunity. e. all of these.
Fill in the blanks to complete the following statements. ?
Cells involved in the body's immune response utilize a process called ______________ to ingest microorganisms. ? Fill in the blank(s) with correct word