| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.19 |
| Score | 0% | 64% |
In the classification of life, bacteria, archaea and eukaryota are which of the following?
species |
|
kingdoms |
|
domains |
|
classes |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.
A person's genotype is their genetic makeup and includes:
dominant alleles |
|
recessive alleles |
|
both dominant and recessive alleles |
|
phenotypes |
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.
What part of the brain is responsible for for balance, movement, and muscle coordination?
cerebrum |
|
medulla |
|
brainstem |
|
cerebellum |
The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.
Which of the following describes how a person's genes express themselves in physical characteristics?
phenotype |
|
DNA |
|
chromotype |
|
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.
Which of the following temperatures is least like the others?
32°F |
|
0K |
|
absolute zero |
|
-273°C |
Absolute zero is the coldest possible temperature in the universe. In the Kelvin scale, absolute zero is 0K and in the Celsius scale it is -273°C.