| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.14 |
| Score | 0% | 63% |
A large naturally occurring community of flora and fauna occupying a major habitat is:
a community |
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a food chain |
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a population |
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a biome |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).
Blood is created in:
the heart |
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the liver |
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bone marrow |
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red blood cells |
Blood is created in bone marrow and is made up of cells suspended in liquid plasma. Red blood cells carry oxygen, white blood cells fight infection, and platelets are cell fragments that allow blood to clot.
Which of the following describes how a person's genes express themselves in physical characteristics?
chromotype |
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DNA |
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genotype |
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phenotype |
A person's genotype is their genetic makeup and includes both dominant and recessive alleles. Phenotype is how the genes express themselves in physical characteristics.
Which of the following is true about species groups?
an ecosystem is a biological population |
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a community is made up of a group of populations |
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a population is made up of a group of communities |
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a biome is a made up of a group of biospheres |
A population is a group of organisms of the same species who live in the same area at the same time. A community is a group of populations living and interacting with each other in an area.
__________ is caused by a lack of Vitamin C.
shingles |
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scurvy |
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anemia |
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diabetes |
Scurvy is a difficiency disease caused by a lack of Vitamin C in the diet.