| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.34 |
| Score | 0% | 67% |
In fermentation, what replaces oxygen in anaerobic respiration?
starches |
|
water |
|
ascorbic acid or peptides |
|
lactic acid or alcohol |
If no oxygen is present, cellular respiration is anaerobic and will result in fermentation where either lactic acid or alcohol is used instead of oxygen.
The gravitational interaction of Earth and the Moon is responsible for which of these?
seasons |
|
tides |
|
the northern lights |
|
day and night cycle |
Tides are caused by the gravitational interaction of Earth and the Moon.
Blood is created in:
bone marrow |
|
red blood cells |
|
the heart |
|
the liver |
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.
"The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object." This describes which of Newton's laws of motion?
fourth |
|
first |
|
second |
|
third |
Newton's second law of motion states that The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object. This law basically means that the greater the mass of an object, the more force is needed to overcome its inertia.
Tertiary consumers eat which of the following?
all of these |
|
decomposers |
|
primary and secondary consumers |
|
producers |
Tertiary consumers eat primary consumers and secondary consumers and are typically carnivorous predators. Tertiary consumers may also be omnivores. Examples include wolves, sharks, and human beings.