| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.26 |
| Score | 0% | 65% |
Tertiary consumers eat which of the following?
primary and secondary consumers |
|
all of these |
|
producers |
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decomposers |
Tertiary consumers eat primary consumers and secondary consumers and are typically carnivorous predators. Tertiary consumers may also be omnivores. Examples include wolves, sharks, and human beings.
Water freezing or boiling is an example of which of the following?
sublimation |
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cooling |
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phase transition |
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heating |
A substance undergoes a phase transition when it moves from one state of matter to another, for example, when water freezes or boils.
In cell biology, where does DNA replication take place?
nucleus |
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mitochondria |
|
cytoplasm |
|
Golgi apparatus |
The cell nucleus contains the genetic material of the cell and is where DNA replication takes place.
In the classification of life, bacteria, archaea and eukaryota are which of the following?
classes |
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kingdoms |
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domains |
|
species |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.
Reproductive haploids are also known as:
ovum |
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diploids |
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sperm |
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gametes |
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.