| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.43 |
| Score | 0% | 69% |
Heredity is the passing on of physical or mental characteristics genetically from one __________ to another.
family |
|
species |
|
generation |
|
cell |
Heredity is the passing on of physical or mental characteristics genetically from one generation to another. Heredity is made possible via large strings of chromosomes which carry information encoded in genes.
Large, puffy, mid-altitude clouds with a flat base and a rounded top describe which of the following?
cirrus clouds |
|
stratus clouds |
|
fog |
|
cumulus clouds |
Cumulus clouds are large, puffy, mid-altitude clouds with a flat base and a rounded top. These clouds grow upward and can develop into a cumulonimbus or thunderstorm cloud.
Which is the proper order of Earth's atmospheric layers from the surface up to space?
stratosphere, troposphere, mesosphere, thermosphere |
|
thermosphere, mesosphere, stratosphere, troposphere |
|
mesosphere, thermosphere, stratosphere, troposphere |
|
troposphere, stratosphere, mesosphere, thermosphere |
The troposphere is the closest layer to Earth, followed by the stratosphere, mesosphere, and finally the thermosphere which borders space.
Which of the following is not true about simple magnets?
opposite poles attract each other |
|
all of these are untrue |
|
opposite poles repel each other |
|
same poles repel each other |
Simple magnets have two poles, north and south, and opposite poles attract each other (N attracts S, S attracts N). Likewise, the same pole of two magnets repel (N repels N, S repels S). The Earth has a magnetic field and North and South Poles which enables the use of a magnetic compass to determine direction.
Minerals, vitamins, and fiber are:
carbohydrates |
|
proteins |
|
macronutrients |
|
micronutrients |
Minterals, vitamins, and fiber are micronutrients while proteins, carbohydrates, and fats are macronutrients.