Use the following equation of a biochemical reaction to answer questions 1 through 4. Which of the following molecules is represented by letter A?

• CO2

• H2

• N2

• CH4

Tags

NGSS.MS-LS1-6

Which of the following biochemical reactions is represented in this diagram?

• Photosynthesis

• Cellular Respiration

Tags

NGSS.MS-LS1-6

Which of the following organisms performs this reaction?

• All living things

• Bacteria

• Producers (plants) only

• Decomposers only

Tags

NGSS.MS-LS1-6

Which of the following organelles is responsible for taking in the sunlight necessary for completing this reaction?

• Chloroplasts in the leaves

• Stomata

• Roots

Tags

NGSS.MS-LS1-6

Which of the following organisms in this food web could be considered a primary consumer?

• Eagle

• Mouse

• Deer

• Frog

Tags

NGSS.MS-LS2-2

Which group of organisms is not represented in this food web?

• Producers

• Consumers

• Decomposers

• Predators

Which of the following organisms are most likely to engage in competition?

• Snake and Eagle

• Deer and Frog

• Mouse and Frog

• Eagle and Deer

Tags

NGSS.MS-LS2-2

If a disease killed off all of the grasshoppers in the environment, which of the following organisms would be most negatively affected?

• Snake

• Frog

• Mouse

• Grass

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following organisms is the first to colonize a newly formed area?

• Lichens

• Oak Trees

• Shrubs

Which process provides most of the oxygen found in Earth’s atmosphere?

• Photosynthesis

• Respiration

• Fermentation

• Ecological Succession

Tags

NGSS.MS-LS1-6