| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.19 |
| Score | 0% | 64% |
This skeletal system is common in arthropods like insects, spiders, and crustaceans.
exoskeleton |
|
vertebrate |
|
endoskeleton |
|
bone |
An exoskeleton (external skeleton) is common in arthropods like insects, spiders, and crustaceans.
Secondary consumers that also eat producers are known as:
scavengers |
|
carnivores |
|
omnivores |
|
herbivores |
Secondary consumers (carnivores) subsist mainly on primary consumers. Omnivores are secondary consumers that also eat producers. Examples are rats, fish, and chickens.
Convert 5C° to F°.
37 |
|
41 |
|
-23 |
|
27 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(5) + 32\)
\(F° = {45 \over 5} + 32\)
\(F° = 9 + 32 = 41\)
Which of the following does not represent the freezing point of water?
0°F |
|
273K |
|
0°C |
|
32°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.
Blood is created in:
the heart |
|
bone marrow |
|
red blood cells |
|
the liver |
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.