| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.61 |
| Score | 0% | 72% |
This skeletal system is common in arthropods like insects, spiders, and crustaceans.
vertebrate |
|
endoskeleton |
|
exoskeleton |
|
bone |
An exoskeleton (external skeleton) is common in arthropods like insects, spiders, and crustaceans.
In the classification of life, bacteria, archaea and eukaryota are which of the following?
kingdoms |
|
species |
|
classes |
|
domains |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.
__________ is caused by a lack of iron in the diet.
anemia |
|
shingles |
|
scurvy |
|
diabetes |
Anemia, which may cause weakness, dizziness, and headaches is caused by a lack of iron in the diet.
The __________ nervous system controls voluntary actions.
somatic |
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autonomic |
|
central |
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peripheral |
Part of the peripheral nervous system, the somatic nervous system is made up of nerve fibers that send sensory information to the central nervous system and control voluntary actions.
Which of these is not a type of fat?
cholesterol |
|
polyunsaturated |
|
saturated |
|
monounsaturated |
Fats come in three types, saturated (meats, shellfish, eggs, milk), monounsaturated (olives, almonds, avocados), and polyunsaturated (vegetable oils).