| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.24 |
| Score | 0% | 65% |
I biome is made up of naturally occurring flora and fauna. Fauna is which of the following?
minerals |
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animals |
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plants |
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habitats |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).
The energy posessed by a thrown baseball is an example of what kind of energy?
gravitational |
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kinetic |
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transitional |
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potential |
Kinetic energy is the energy posessed by a moving object. Potential energy is stored energy in a stationary object based on its location, position, shape, or state.
Gametes have how many pairs of chromosomes?
4 |
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46 |
|
2 |
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23 |
Reproductive (haploid) cells known as gametes have half as many (23) pairs of chromosomes as normal (diploid) cells. When the male gamete (sperm) combines with the female gamete (ovum) through meiosis to form a zygote, each gamete supplies half the chromosomes needed to form the normal diploid cells.
Veins carry blood __________ the heart.
away from |
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all of these |
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within |
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back to |
Veins carry blood back to the heart from the body. While arteries are thick-walled because they carry oxygenated blood at high pressure, veins are comparatively thin-walled as they carry low-pressure deoxygenated blood. Like the heart, veins contain valves to prevent blood backflow.
Examples of primary consumers include:
rats |
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all of these |
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cows |
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fish |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.