| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.10 |
| Score | 0% | 62% |
__________ and __________ pair to strengthen bones.
calcium, vitamin A |
|
iron, calcium |
|
vitamin D, calcium |
|
vitamin D, magnesium |
Vitamin D helps calcium strengthen bones while also aiding muscle, nerve, and immune system function.
In fermentation, what replaces oxygen in anaerobic respiration?
lactic acid or alcohol |
|
ascorbic acid or peptides |
|
starches |
|
water |
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.
Cellular fermentation takes place:
aerobically |
|
in plant cells |
|
in the presence of oxygen |
|
anaerobically |
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.
I biome is made up of naturally occurring flora and fauna. Fauna is which of the following?
minerals |
|
plants |
|
habitats |
|
animals |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).
The Earth's rocks fall into three categories based on how they're formed. Which of the following is formed when existing rock is altered through pressure, temperature, or chemical processes?
metamorphic |
|
igneous |
|
sedimentary |
|
coal |
The Earth's rocks fall into three categories based on how they're formed. Igneous rock (granite, basalt, obsidian) is formed from the hardening of molten rock (lava), sedimentary rock (shale, sandstone, coal) is formed by the gradual despositing and cementing of rock and other debris, and metamorphic rock (marble, slate, quartzite) which is formed when existing rock is altered though pressure, temperature, or chemical processes.