| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.16 |
| Score | 0% | 63% |
__________ and __________ pair to strengthen bones.
vitamin D, calcium |
|
vitamin D, magnesium |
|
iron, calcium |
|
calcium, vitamin A |
Vitamin D helps calcium strengthen bones while also aiding muscle, nerve, and immune system function.
A large naturally occurring community of flora and fauna occupying a major habitat is:
a community |
|
a food chain |
|
a population |
|
a biome |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).
In fermentation, what replaces oxygen in anaerobic respiration?
ascorbic acid or peptides |
|
water |
|
starches |
|
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 __________ nervous system controls voluntary actions.
peripheral |
|
central |
|
autonomic |
|
somatic |
Part of the peripheral nervous system, the somatic nervous system is made up of nerve fibers that send sensory information to the central nervous system and control voluntary actions.
In the classification of life, bacteria, archaea and eukaryota are which of the following?
classes |
|
domains |
|
species |
|
kingdoms |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.