| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.50 |
| Score | 0% | 70% |
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).
Which of these is important for the body's maintenance, growth, and repair?
protein |
|
fiber |
|
carbohydrates |
|
fats |
Found in both animal sources (meat, fish, eggs, cheese) and vegetables (beans, nuts, some grains), proteins are important for the body's maintenance, growth, and repair.
Blood is circulated throughout the body via:
veins |
|
aorta |
|
capillaries |
|
arterioles |
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.
Which of the following represents the largest value?
1 kL |
|
1 mL |
|
1 ML |
|
1 cL |
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.
The energy posessed by a ball on the window ledge of a tall building is an example of what kind of energy?
potential |
|
kinetic |
|
gravitational |
|
inherent |
Kinetic energy is the energy posessed by a moving object. Potential energy is stored energy in a stationary object based on its location, position, shape, or state.