| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.45 |
| Score | 0% | 69% |
Elements in the Periodic Table of the Elements are ordered by which of the following?
atomic number |
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number of electron shells |
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atomic weight |
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atomic mass |
The Periodic Table of the Elements categorizes elements primarily by the number of protons in their nucleus (atomic number) and secondarily by the characteristics they exhibit.
In the food chain, bacteria and fungi convert the organic matter in the dead bodies of plants and animals into simple nutrients. Bacteria and fungi are:
primary consumers |
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producers |
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scavengers |
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decomposers |
Decomposers (saprotrophs) are organisms such as bacteria and fungi that break down the organic matter in the dead bodies of plants and animals into simple nutrients.
In the classification of life, which of the following is not a kingdom?
animals |
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fungi |
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bacteria |
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plants |
Below domain, life is classified into six kingdoms: plants, animals, archaebacteria, eubacteria, and fungi. The last kingdom, protists, include all microscopic organisms that are not bacteria, animals, plants or fungi. (Archaebacteria and eubacteria are sometimes combined into a single kingdom, monera.)
In the classification of life, bacteria, archaea and eukaryota are which of the following?
domains |
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classes |
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species |
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kingdoms |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.
__________ is caused by a lack of Vitamin C.
shingles |
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diabetes |
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anemia |
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scurvy |
Scurvy is a difficiency disease caused by a lack of Vitamin C in the diet.