Nitrogen is an important element used by all living things. It cycles from:
The Ground (both soil and water, of course) ⇒ To the Air ⇒ Back to the Ground.
Organisms (animals, plants, fungi, bacteria…etc.) actively participate in the Nitrogen Cycle .
Explanations for Vocabularies:
- Ammonia: A nitrogen-rich chemical that occurs naturally in animal feces / urines.
- Decomposition: This process is done mostly by bacteria and fungi, and it breaks a dead organism’s body down into smaller molecules.
- Denitrificaiton: This process is done by bacteria, and it turns nitrates and nitrites into nitrogen gas.
- Nitrites and Nitrates: These 2 nitrogen-rich molecules are nutrients useful to plants.
- Nitrificaiton: This process is done by bacteria, and it turns ammonia into nitrates and nitrites.
- Nitrogen Fixation: This process is done by bacteria, and it turns nitrogen gas into ammonia.
- Wastes: In biology, the word “wastes” stand for materials such as feces (poop) and urine (pee).
Next Generation Science Standards:
MS-LS2-1. Analyze and interpret data to provide evidence for the effects of resource availability on organisms and populations of organisms in an ecosystem.
MS-LS2-2. Construct an explanation that predicts patterns of interactions among organisms across multiple ecosystems.
MS-LS2-3. Develop a model to describe the cycling of matter and flow of energy among living and nonliving parts of an ecosystem.
MS-LS2-4. Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.
HS-LS1-5. Use a model to illustrate how photosynthesis transforms light energy into stored chemical energy.
HS-LS1-6. Construct and revise an explanation based on evidence for how carbon, hydrogen, and oxygen from sugar molecules may combine with other elements to form amino acids and/or other large carbon-based molecules.
HS-LS2-3. Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.
HS-LS2-4. Use mathematical representations to support claims for the cycling of matter and flow of energy among organisms in an ecosystem.
HS-LS2-5. Develop a model to illustrate the role of photosynthesis and cellular respiration in the cycling of carbon among the biosphere, atmosphere, hydrosphere, and geosphere.
What Science Does this Comic Teach?
Unit: Anatomy and Phsiology
⇒Chapter: Cycles of Matter
⇒Topic: Nitrogen Cycle
It means a “living thing”… Whether it is big (such as a dog) or small (such as a bacterium), all living things are called “organisms”.
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