| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.80 |
| Score | 0% | 76% |
Which of the following is the narrowest classification of life?
genus |
|
species |
|
family |
|
domain |
The narrowest classification of life, species, contains organisms that are so similar that they can only reproduce with others of the same species.
An air mass is a large body of air that has which of the following characteristics?
similar temperature |
|
all of these |
|
similar moisture |
|
similar density |
An air mass is a large body of air that has similar moisture (density) and temperature characteristics. A front is a transition zone between two air masses.
Which of blood component allows blood to clot?
plasma |
|
white blood cells |
|
platelets |
|
red blood cells |
Blood is created in bone marrow and is made up of cells suspended in liquid plasma. Red blood cells carry oxygen, white blood cells fight infection, and platelets are cell fragments that allow blood to clot.
The gravitational interaction of Earth and the Moon is responsible for which of these?
the northern lights |
|
day and night cycle |
|
seasons |
|
tides |
Tides are caused by the gravitational interaction of Earth and the Moon.
Convert 0C° to F°.
16 |
|
-32 |
|
0 |
|
32 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(0) + 32\)
\(F° = 0 + 32 = 32\)