Unit Review: Transfer of Energy & Matter

Which provides most of the energy in ecosystems?

• carnivores

• producers

• generalists

• keystone species

Tags

NGSS.MS-LS1-6

From which source do almost all producers obtain their energy?

• sunlight

• herbivores

• decaying matter

• hydrothermal pools

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NGSS.MS-LS1-6

Which chemical equation best represents the process of photosynthesis?

• 6CO2 + 6H2O -> C6H12O6 + 6O2

• C6H12O6 + 6O2 -> 6CO2 + 6H2O

• C6H12O6 + 6H2O -> C6H12O6 + 6O2

• 6CO2 + O2 -> C6H12O6 + 6O2 + H2O

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of these statements best describes the process of photosynthesis?

• Plants use oxygen to make simple sugars.

• Chlorophyll builds sugars in the thylakoid membrane.

• Chloroplasts absorb sunlight and store chemical energy.

• Light breaks down water molecules and releases carbon dioxide.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A cell that requires a lot of energy might contain large numbers of __________.

• vacuoles

• lysosomes

• mitochondria

• chromosomes

Tags

NGSS.MS-LS1-2

The part of aerobic cellular respiration has three steps. Where do the steps that needs oxygen takes place:

• the nucleus

• the thylakoid

• the cytoplasm

• the mitochondria

Elements such as carbon can move through the environment and organisms in a cycle because living and nonliving things interact in __________.

• cells

• species

• organisms

• ecosystems

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which biogeochemical cycle depend directly on photosynthesis?

• the carbon cycle

• the nitrogen cycle

• the phosphorus cycle

• the carbon cycle and the nitrogen cycle

Tags

NGSS.MS-LS1-6

What type of carbon-based molecule is the first to be broken down by the body's cells to provide a source of energy? 

• fat

• protein

• amino acid

• carbohydrate

Tags

NGSS.MS-LS1-7

Lipids do all of the following functions EXCEPT:

• high energy source

• compose cell membranes

• store and transmit genetic material

• protective water resistant coatings