| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.35 |
| Score | 0% | 67% |
Convert -20C° to F°.
36 |
|
78 |
|
-36 |
|
-4 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(-20) + 32\)
\(F° = {-180 \over 5} + 32\)
\(F° = -36 + 32 = -4\)
A biological community of interacting organisms and their physical environment is known as:
community |
|
population |
|
ecosystem |
|
biome |
An ecosystem is a biological community of interacting organisms and their physical environment. This includes both the biotic (living) and abiotic (non-living).
What part of the brain is responsible for the major senses (thinking, hearing, seeing)?
medulla |
|
cerebellum |
|
brainstem |
|
cerebrum |
The cerebrum is the major part of the brain and is responsible for the main senses (thinking, hearing, seeing).
Scavengers break down the dead bodies of plants and animals into which of the following?
complex carbohydrates |
|
producers |
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simple nutrients |
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carrion |
Like decomposers, scavengers also break down the dead bodies of plants and animals into simple nutrients. The difference is that scavengers operate on much larger refuse and dead animals (carrion). Decomposers then consume the much smaller particles left over by the scavengers.
Minerals, vitamins, and fiber are:
macronutrients |
|
carbohydrates |
|
micronutrients |
|
proteins |
Minterals, vitamins, and fiber are micronutrients while proteins, carbohydrates, and fats are macronutrients.