| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.76 |
| Score | 0% | 55% |
__________ is caused by a lack of Vitamin C.
shingles |
|
anemia |
|
scurvy |
|
diabetes |
Scurvy is a difficiency disease caused by a lack of Vitamin C in the diet.
Which of the following describes how a person's genes express themselves in physical characteristics?
chromotype |
|
DNA |
|
phenotype |
|
genotype |
A person's genotype is their genetic makeup and includes both dominant and recessive alleles. Phenotype is how the genes express themselves in physical characteristics.
Blood is circulated throughout the body via:
capillaries |
|
arterioles |
|
aorta |
|
veins |
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.
As part of the carbon cycle, plants release carbon into the atmosphere through which process?
decomposition |
|
evaporation |
|
photosynthesis |
|
sedimentation |
The carbon cycle represents the ciruit of carbon through Earth's ecosystem. Carbon dioxide (CO2) in the atmosphere is absorbed by plants through photosynthesis. Plants then die and release carbon back into the atmosphere during decomposition or are eaten by animals who breathe (respiration) the carbon into the atmosphere they exhale and produce waste which also releases carbon as it decays.
As part of digestion, the liver produces bile which breaks down:
sugars |
|
starches |
|
fat |
|
protein |
The liver produces bile which emulsifies (separates) fat.