| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.51 |
| Score | 0% | 70% |
Leafy vegetables, beans, potatoes, fruits, and whole grains are good sources of:
unsaturated fat |
|
fiber |
|
protein |
|
saturated fat |
Fiber provides bulk to help the large intestine carry away waste. Good sources of fiber are leafy vegetables, beans, potatoes, fruits, and whole grains.
Which of the following is not a terrestrial planet?
Earth |
|
Jupiter |
|
Mercury |
|
Venus |
The four planets closest to the Sun (Mercury, Venus, Earth, and Mars) are called terrestrial (Earth-like) planets because, like the Earth, they're solid with inner metal cores covered by rocky surfaces.
When compared to eukaryotic cells, prokaryotic cells are:
less complex |
|
more complex |
|
none of these |
|
similarly complex |
Cells are classified into one of two groups based on whether or not they have a nucleus. Eukaryotic cells have a nucleus, prokaryotic cells do not have a nucleus and therefore have a less complex structure than eukaryotic cells.
Changes to an object's speed or direction of motion are caused by which of the following?
work |
|
power |
|
kinetic energy |
|
a force |
Force is applied to change an object's speed or direction of motion.
An asteroid belt holds many of the asteroids in our solar system. It is located between the orbits of which planets?
Mars and Earth |
|
Mercury and Venus |
|
Mars and Jupiter |
|
Jupiter and Saturn |
The solar system also contains over a million rocky fragments of at least 1km in diameter called asteroids as well as millions more with smaller diameters. Many of these asteroids are an asteroid belt between the orbits of Mars and Jupiter.