| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.68 |
| Score | 0% | 74% |
An endoskeleton (internal skeleton) is a charateristic of __________ animals, including humans.
arthropod |
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spiny |
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sentient |
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vertebrate |
An endoskeleton (internal skeleton) is a charateristic of vertebrate animals, including humans.
In the classification of life, bacteria, archaea and eukaryota are which of the following?
species |
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domains |
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kingdoms |
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classes |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.
The ovum and oviduct are part of which bodily system?
circulatory |
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reproductive |
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digestive |
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nervous |
Approximately every 28 days during female ovulation an egg (ovum) is released from one of the ovaries and travels through the oviduct (fallopian tube) and into the uterus. At the same time, the endometrial lining of the uterus becomes prepared for implantation.
A person's genotype is their genetic makeup and includes:
phenotypes |
|
both dominant and recessive alleles |
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dominant alleles |
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recessive alleles |
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 these does not contain oxygenated blood?
left ventricle |
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right atrium |
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aorta |
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pulmonary vein |
To provide oxygen to the body, blood flows through the heart in a path formed by the right atrium → right ventricle → lungs → left atrium → left ventricle → body. When blood enters the right side of the heart it is deoxygenated. It enters the left side of the heart oxygenated after traveling to the lungs.