| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.13 |
| Score | 0% | 63% |
Which of the following does not represent the freezing point of water?
0°F |
|
32°F |
|
0°C |
|
273K |
The Fahrenheit scale fixes the freezing point of water at 32°F, the Celsuis scale at 0°C, and the Kelvin scale at 273K.
The rows of the Periodic Table of the Elements are called:
shells |
|
periods |
|
groups |
|
families |
The rows of the Periodic Table are called periods and contain elements that have the same number of electron shells ordered from lower to higher atomic number.
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 |
|
scavengers |
|
decomposers |
|
producers |
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 cell biology, cytokinesis results in two separate:
chromatids |
|
chromosomes |
|
cells |
|
nuclei |
During cell division, the cytokinesis phase occurs when cytoplasm and cell membranes complete their separation resulting in two separate cells.
In taxonomy, domains are the broadest classification of life. How many domains are there?
3 |
|
5 |
|
6 |
|
dozens |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.