An organism has been isolated from decomposing organic matter. This organism has a cell wall but no chloroplasts. How would you classify this organism?
Ans: domain eukarya, kingdom fungi
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Excreting ammonia directly into the environment (select all correct choices):
A. is energetically inexpensive. B. requires high volumes of water. C. is energetically expensive. D. requires little water. E. converts it into a less toxic form.
The greatest contributor(s) to allopatric isolation is(are)
a. geographical barriers. b. different ecological niches. c. polypolidy. d. hybrid inviability. e. behavioral peculiarities.
Metabolic activities that involve "burning" carbohydrates release energy. When our bodies "burn" carbohydrates, what are we doing?
A) transferring some energy from the carbohydrate molecule to other molecules and releasing lower-energy food molecules into the alimentary canal B) breaking down food molecules into smaller molecules such as simple sugars that have more energy than the original food molecule and can be used in the cell more easily C) transferring energy from the bonds in food molecules to molecules that make that energy more readily available (like ATP) and releasing simple low-energy molecules (like CO2 and H2O) to the environment D) breaking down carbohydrate molecules to smaller components that are then used to build larger molecules that the body needs
Many plants and animals can reproduce asexually
A. true B. false