| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.37 |
| Score | 0% | 67% |
__________ and __________ pair to strengthen bones.
vitamin D, calcium |
|
iron, calcium |
|
vitamin D, magnesium |
|
calcium, vitamin A |
Vitamin D helps calcium strengthen bones while also aiding muscle, nerve, and immune system function.
A major difference between sound waves and light waves is which of the following?
a sound wave cannot travel through a vacuum |
|
a sound wave is much slower than a light wave |
|
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.
Tough fibrous cords of connective tissue that connect muscles to the skeleton are called:
tendons |
|
ligaments |
|
cartilage |
|
vertebra |
Tough fibrous cords of connective tissue called tendons connect muscles to the skeleton while another type of connective tissue called ligaments connect bones to other bones at joints (elbow, knee, fingers, spinal column).
In cell biology, cytokinesis results in two separate:
chromosomes |
|
chromatids |
|
cells |
|
nuclei |
During cell division, the cytokinesis phase occurs when cytoplasm and cell membranes complete their separation resulting in two separate cells.
A large naturally occurring community of flora and fauna occupying a major habitat is:
a population |
|
a community |
|
a biome |
|
a food chain |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).