| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.34 |
| Score | 0% | 67% |
In the classification of life, bacteria, archaea and eukaryota are which of the following?
domains |
|
kingdoms |
|
classes |
|
species |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.
Which of the following does not represent the freezing point of water?
273K |
|
32°F |
|
0°C |
|
0°F |
The Fahrenheit scale fixes the freezing point of water at 32°F, the Celsuis scale at 0°C, and the Kelvin scale at 273K.
Heredity is the passing on of physical or mental characteristics genetically from one __________ to another.
family |
|
generation |
|
species |
|
cell |
Heredity is the passing on of physical or mental characteristics genetically from one generation to another. Heredity is made possible via large strings of chromosomes which carry information encoded in genes.
In fermentation, what replaces oxygen in anaerobic respiration?
lactic acid or alcohol |
|
water |
|
starches |
|
ascorbic acid or peptides |
If no oxygen is present, cellular respiration is anaerobic and will result in fermentation where either lactic acid or alcohol is used instead of oxygen.
The gravitational interaction of Earth and the Moon is responsible for which of these?
seasons |
|
tides |
|
the northern lights |
|
day and night cycle |
Tides are caused by the gravitational interaction of Earth and the Moon.