Fill in the blank: The release of oxygen into the atmosphere is primarily due to ______.

• Fossil fuel combustion

• Photosynthesis

• Animal respiration

• Rock weathering

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following processes is not part of the carbon cycle?

• Photosynthesis

• Transpiration

• Fossil fuel combustion

• Condensation

Tags

NGSS.MS-LS1-6

What is the main gas involved in the carbon cycle?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Does cellular respiration add or remove carbon from the atmosphere?

• Add

• Remove

Tags

NGSS.HS-LS2-5

Fill in the blank: ______ is the process by which plants convert carbon dioxide into organic compounds.

• Photosynthesis

• Cellular Respiration

Tags

NGSS.MS-LS1-6

Fill in the blank: ______ is the process by which animals release carbon dioxide into the atmosphere.

• Photosynthesis

• Cellular Respiration

Fill in the blank: The chemical equation for photosynthesis is 6CO2 + 6H2O + light energy -> C6H12O6 + _______.

• 6O2

• 6CO2

• 6H2O

• 6N2

Tags

NGSS.MS-LS1-6

Fill in the blank: Photosynthesis helps in reducing _______ in the atmosphere.

• A) Oxygen

• B) Carbon Dioxide

• C) Nitrogen

• D) Methane

Tags

NGSS.MS-LS1-6

Which of the following is a result of crossing over?

• Genetic variation

• Identical offspring

• Cell death

• Protein synthesis

Tags

NGSS.MS-LS4-4

A point mutation is a change in a single _______ in the DNA sequence.

• nucleotide

• protein

• cell

• vitamin

Tags

NGSS.MS-LS3-1