MRSM INTRO TO BIOGEOCHEMICAL CYCLES

Order the biological levels from the most complex to the simplest.

• population
• biomes

• community

• species

• ecosystem

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NGSS.MS-LS2-3

What is your body made of?

• Water

• Atoms

• Lipids

• Epidermis

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NGSS.MS-LS1-1

NGSS.MS-LS1-3

​ (a)   flows directionally through Earth’s ecosystems, typically entering in the form of ​ (b)   and exiting in the form of ​ (c)   .

• Energy
• sunlight
• heat

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

The ​ (a)   in your body are not brand new. Instead, they've been ​ (b)   through the ​ (c)   for a long, long time, and they've been part of many ​ (d)   and nonliving ​ (e)   along the way.

• atoms
• cycling
• biosphere
• organisms
• compounds

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

___ in your body have been part of a huge number of living and nonliving things over the course of time!

• Bones

• Liquids

• Atoms

• Cells

Which are the six most common elements in organic molecules?

• Carbon, hydrogen, oxygen, phosphorus, and sulfur

• Carbon, nitrogen, hydrogen, phosphorus, and sulfur

• Carbon, nitrogen, hydrogen, oxygen, and sulfur

• Carbon, nitrogen, hydrogen, oxygen, phosphorus, and sulfur

​ (a)   processes—such as ​ (b)   of rocks, ​ (c)   , water drainage, and the ​ (d)   of continental plates—all play a role in this ​ (e)   of materials, as do interactions among organisms.

• Geologic
• weathering
• erosion
• subduction
• recycling

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NGSS.MS-ESS2-1

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The ways in which an element—or, in some cases, a compound such as water—moves between its various living and nonliving forms and locations is called a _________ _____.

• biogeochemical cycle

• biochemical cycle

• geochemical cycle

• biotechemical cycle

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NGSS.MS-ESS2-1

NGSS.MS-LS1-6

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The name biogeochemical cycles reflects the importance of ​ (a)   and ​ (b)   as well as ​ (c)   in helping us understand these cycles.

• chemistry
• geology
• biology

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Water, which contains ___, is essential for living organisms.

• hydrogen and oxygen

• nitrogen and oxygen

• nitrogen and hydrogen

• sulphur and phosphorus