| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.23 |
| Score | 0% | 65% |
What part of the food chain serves only as food for other organisms?
primary consumers |
|
decomposers |
|
secondary consumers |
|
producers |
Producers (autotrophs) serve as a food source for other organisms. Typical producers are plants that can make their own food through photosynthesis and certain bacteria that are capable of converting inorganic substances into food through chemosynthesis
Convert 5C° to F°.
-23 |
|
37 |
|
41 |
|
27 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(5) + 32\)
\(F° = {45 \over 5} + 32\)
\(F° = 9 + 32 = 41\)
The __________ is a system of muscles that allows breathing.
diaphragm |
|
bronchioles |
|
trachea |
|
pulmonary |
The diaphragm is a system of muscles that allows breathing. During inhalation, the diaphragm expands and air rushes in to fill the space created. Then, during exhalation, the diaphragm contracts and forces the air back out.
What kind of weather front is likely to create clouds and storms?
cold front |
|
stationary front |
|
temperate front |
|
warm front |
A warm front is the boundary between warm and cool (or cold) air when the warm air is replacing the cold air. Warm air at the surface pushes above the cool air mass creating clouds and storms.
In the metric system, what prefix represents 10-3?
centi |
|
mega |
|
kilo |
|
milli |
In the metric system, milli is the prefix for 10-3.