| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.74 |
| Score | 0% | 75% |
An endoskeleton (internal skeleton) is a charateristic of __________ animals, including humans.
sentient |
|
spiny |
|
vertebrate |
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arthropod |
An endoskeleton (internal skeleton) is a charateristic of vertebrate animals, including humans.
In the food chain, consumers are classified as which of the following?
tertiary |
|
primary |
|
secondary |
|
all of these |
Most animals consume other organisms to survive. Consumers (heterotrophs) are divided into three types, primary, secondary, and tertiary, based on their place in the food chain.
In the pancreas, lipase converts fat to:
glycerol and fatty acids |
|
simple sugars |
|
amino acids |
|
complex carbohydrates |
The acids produced by the pancreas contain several enzymes that aid in digestion. Lipase converts fat to glycerol and fatty acids. Pancreatic amylase breaks down complex carbohydrates into simple sugars. Trypsin converts polypeptides (the building blocks of protein) into amino acids.
Leafy vegetables, beans, potatoes, fruits, and whole grains are good sources of:
protein |
|
fiber |
|
saturated fat |
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unsaturated fat |
Fiber provides bulk to help the large intestine carry away waste. Good sources of fiber are leafy vegetables, beans, potatoes, fruits, and whole grains.
Stratus clouds are __________clouds characterized by horizontal layering with a broad flat base.
mid-altitude |
|
high-altitude |
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low-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.