Flow of Matter and Energy Throughout an Ecosystem

What of the following is an example of a biotic factor?

• Sunlight

• Stream

• Tree

• Rock

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

What is an example of an abiotic factor?

• Cow

• Acacia Tree

• Sunlight

• Grass

What is being produced during photosynthesis?

• sugar (glucose) and oxygen

• sugar (glucose) and carbon dioxide

• glucose

• gases

Tags

NGSS.MS-LS1-6

What gas is taken in during photosynthesis?

• Argon

• Nitrogen

• Oxygen

• Carbon dioxide

Tags

NGSS.MS-LS1-6

Where does the energy for photosynthesis come from?

• carbon dioxide

• oxygen

• the sun

• glucose

Tags

NGSS.MS-LS1-6

In what part of the cell does photosynthesis take place?

• nucleus

• chloroplast

• cytoplasm

• mitocondria

Tags

NGSS.MS-LS1-6

What part of a cell does cellular respiration take place?

• nucleus

• chloroplast

• cytoplasm

• mitochondria

Tags

NGSS.MS-LS1-2

In what way are photosynthesis and cellular respiration different?

• Cellular respiration stores energy, while photosynthesis releases energy

• Cellular respiration produces oxygen, while photosynthesis uses oxygen

• Photosynthesis releases energy, while cellular respiration stores energy

• Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How do consumers get energy?

• Absorbing sunlight

• breaking down dead organisms

• soaking it up from the ground

• feeding on other organisms

Decomposers are important to ecosystems because they...

• return vital nutrients to the ecosystem

• capture energy from the Sun

• are producers

• can be omnivores

Tags

NGSS.MS-LS2-3