| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.33 |
| Score | 0% | 67% |
A subatomic particle found in the nucleus of an atom. It carries a positive electric charge. This desribes which of the following?
neutron |
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atom |
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electron |
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proton |
A proton is a subatomic particle found in the nucleus of an atom. It carries a positive electric charge.
Respiration is the process by which __________ absorb oxygen and eliminate carbon dioxide.
diaphragms |
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bronchioles |
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capillaries |
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blood cells |
The respiratory system manages respiration which is the process by which blood cells absorb oxygen and eliminate carbon dioxide.
Molecules and atoms that are outputs from a chemical reaction are known as which of the following?
reactants |
|
side effects |
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results |
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products |
During a chemical reaction molecules and atoms (reactants) are rearranged into new combinations that result in new kinds of atoms or molecules (products).
In the foood chain, producers serve as a food source for other organisms. Typical producers are plants that can make their own food through photosynthesis and certain bacteria that are capable of converting inorganic substances into food through:
photosynthesis |
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autotrophs |
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chemosynthesis |
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decomposition |
Producers (autotrophs) serve as a food source for other organisms. Typical producers are plants that can make their own food through photosynthesis and certain bacteria that are capable of converting inorganic substances into food through chemosynthesis
Which of these is not a recognized blood type?
O |
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AB |
|
AO |
|
B |
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.