| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.36 |
| Score | 0% | 67% |
Which of the following indicates the correct reproductive sequence?
none of these are correct |
|
ovum → zygote → fetus |
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ovum → fetus → zygote |
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zygote → ovum → fetus |
During intercourse, the penis ejaculates sperm, produced in the testes, into the vagina. Some of the sperm makes their way to the uterus where, if they encounter an egg to fertilize, unite with the ovum to form a fertilized egg or zygote. The zygote then may implant in the uterus and eventually develop into a fetus.
Which of the following is not a method of heat transfer?
convection |
|
radiation |
|
reflection |
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conduction |
Heat is always transferred from warmer to cooler environments through conduction, convection, or radiation.
The gravitational interaction of Earth and the Moon is responsible for which of these?
tides |
|
day and night cycle |
|
the northern lights |
|
seasons |
Tides are caused by the gravitational interaction of Earth and the Moon.
A large naturally occurring community of flora and fauna occupying a major habitat is:
a community |
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a population |
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a biome |
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a food chain |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).
Antigens are found on the outside of which blood cells?
platelets |
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plasma |
|
red |
|
white |
Blood is categorized into four different types (A, B, AB, and O) based on the type of antigens found on the outside of the red blood cells. Additionally, each type can be negative or positive based on whether or not the cells have an antigen called the Rh factor.