| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.27 |
| Score | 0% | 65% |
__________ is caused by a lack of Vitamin C.
anemia |
|
diabetes |
|
shingles |
|
scurvy |
Scurvy is a difficiency disease caused by a lack of Vitamin C in the diet.
A biological community of interacting organisms and their physical environment is known as:
ecosystem |
|
population |
|
biome |
|
community |
An ecosystem is a biological community of interacting organisms and their physical environment. This includes both the biotic (living) and abiotic (non-living).
A major difference between sound waves and light waves is which of the following?
a sound wave is much slower than a light wave |
|
a sound wave cannot travel through a vacuum |
|
all of these are correct |
|
a sound wave is mechanical while a light wave is electromagnetic |
A vibrating object produces a sound wave that travels outwardly from the object through a medium (any liquid or solid matter). The vibration disturbs the particles in the surrounding medium, those particles disturb the particules next to them, and so on, as the sound propagates away from the vibration.
Antigens are found on the outside of which blood cells?
red |
|
white |
|
platelets |
|
plasma |
Blood is categorized into four different types (A, B, AB, and O) based on the type of antigens found on the outside of the red blood cells. Additionally, each type can be negative or positive based on whether or not the cells have an antigen called the Rh factor.
When compared to eukaryotic cells, prokaryotic cells are:
less complex |
|
more complex |
|
similarly complex |
|
none of these |
Cells are classified into one of two groups based on whether or not they have a nucleus. Eukaryotic cells have a nucleus, prokaryotic cells do not have a nucleus and therefore have a less complex structure than eukaryotic cells.