In the southeastern United States, the red fire ant is
A) a natural predator that is a dominant species in forest ecosystems.
B) an invasive species that has caused a decline in biodiversity.
C) used to control invasive insect species that could potentially hurt agricultural crops.
D) has increased songbird populations that use it as food.
B
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Discuss the implications of the role of English as the world's lingua franca, at a time when other languages are becoming more common on the Internet
What will be an ideal response?
Single-celled organisms can be found in all of the following groups except ________.
A. Bacteria B. Eukaryotes C. Archaea D. Animalia E. Prokaryotes
Earth’s earliest atmosphere was most likely composed of
a. ?water vapor and nitrogen. b. ?carbon dioxide and helium. c. ?hydrogen and helium. d. ?hydrogen and oxygen. e. ?noble gases.
Which biome would be found primarily in the temperate zone?
A) tundra B) deciduous forest C) savanna D) desert E) boreal forest