| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.02 |
| Score | 0% | 60% |
The respiratory and circulatory systems are similar in that they:
transport nutrients |
|
deoxygenate blood |
|
transport oxygen |
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add carbon dioxide |
Like the respiratory system, the circulatory system serves to transport oxygen throughout the body while removing carbon dioxide. In addition, the circulatory system transports nutrients from the digestive system.
Herbivores are __________ that subsist on producers like plants and fungus.
secondary consumers |
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primary consumers |
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tertiary consumers |
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scavengers |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
Elements that belong to the same period in the Periodic Table of the Elements have the same number of:
protons |
|
electron shells |
|
atomic mass units |
|
electrons |
The rows of the Periodic Table are called periods and contain elements that have the same number of electron shells ordered from lower to higher atomic number.
What part of the food chain serves only as food for other organisms?
decomposers |
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primary consumers |
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producers |
|
secondary consumers |
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
During the water cycle, water enters the atmosphere as a gas through which process?
evaporation |
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transpiration |
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both evaporation and transpiration |
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precipitation |
The water (hydrologic) cycle describes the movement of water from Earth through the atmosphere and back to Earth. The cycle starts when water evaporates into a gas from bodies of water like rivers, lakes and oceans or transpirates from the leaves of plants.