| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.88 |
| Score | 0% | 58% |
An asteroid belt holds many of the asteroids in our solar system. It is located between the orbits of which planets?
Mars and Earth |
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Mercury and Venus |
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Jupiter and Saturn |
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Mars and Jupiter |
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.
In the classification of life, which of the following is not a domain?
archaea |
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animalia |
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bacteria |
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eukaryota |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.
The fossil record is a product of which period of Earth's history?
Cretaceous |
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Cambrian |
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Cenozoic |
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Jurassic |
The Cambrian period is one of the most significant geological time periods. Lasting about 53 million years, it marked a dramatic burst of changes in life on Earth known as the Cambrian Explosion. It is from this period that the majority of the history of life on Earth, as documented by fossils, is found. Called the fossil record, the layering of these mineralized imprints of organisms preserved in sedementary rock have allowed geologists to build a historical record of plant and animal life on Earth.
Which of the following is not a method of heat transfer?
convection |
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conduction |
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radiation |
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reflection |
Heat is always transferred from warmer to cooler environments through conduction, convection, or radiation.
In the food chain, omnivores may be which of the following?
secondary or tertiary consumers |
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primary or tertiary consumers |
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primary or secondary consumers |
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secondary consumers or scavengers |
Secondary or tertiary consumers may be omnivores.