| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.60 |
| Score | 0% | 72% |
Which of the following represents the largest value?
1 cL |
|
1 kL |
|
1 ML |
|
1 mL |
Mega (M) is 106, kilo (k) is 103, centi (c) is 10-2, milli (m) is 10-3 so 1 ML represents the largest value.
Herbivores are __________ that subsist on producers like plants and fungus.
secondary consumers |
|
tertiary consumers |
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primary consumers |
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scavengers |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
This skeletal system is common in arthropods like insects, spiders, and crustaceans.
bone |
|
vertebrate |
|
exoskeleton |
|
endoskeleton |
An exoskeleton (external skeleton) is common in arthropods like insects, spiders, and crustaceans.
What is the body's largest artery?
vena cava |
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aorta |
|
arteriole |
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capillary |
The aorta is the body's largest artery and receives blood from the pulmonary vein via the left ventricle. From there, blood is circulated through the rest of the body through smaller arteries called arterioles that branch out from the heart. Finally, blood is delivered to bodily tissues through capillaries.
The envelope of gases surrounding the planet is called the:
geosphere |
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lithosphere |
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hydrosphere |
|
atmosphere |
The biosphere is the global ecological system integrating all living beings and their relationships. This includes their interactions with the lithosphere (the rigid outer part of the earth, consisting of the crust and upper mantle), hydrosphere (all surface water), and atmosphere (the envelope of gases surrounding the planet).