| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.31 |
| Score | 0% | 66% |
In the food chain, omnivores may be which of the following?
primary or tertiary consumers |
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secondary or tertiary consumers |
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secondary consumers or scavengers |
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primary or secondary consumers |
Secondary or tertiary consumers may be omnivores.
I biome is made up of naturally occurring flora and fauna. Fauna is which of the following?
animals |
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plants |
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minerals |
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habitats |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).
Which of blood component fights infection?
red blood cells |
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white blood cells |
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platelets |
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plasma |
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.
Stratus clouds are __________clouds characterized by horizontal layering with a broad flat base.
mid-altitude |
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low-altitude |
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high-altitude |
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all-altitude |
Clouds are categorized based on their shape, size, and altitude. Stratus clouds are low-altitude clouds characterized by horizontal layering with a broad flat base. When stratus clouds occur on the ground the result is fog.
What is the body's largest artery?
capillary |
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arteriole |
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vena cava |
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aorta |
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.