Unit 7 Biosphere

Which of the following is an abiotic factor in an ecosystem?

• Temperature

• Grass

• Fish

• Bacteria

What is the main gas responsible for the greenhouse effect?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

Tags

NGSS.MS-ESS3-5

Which process removes carbon dioxide from the atmosphere?

• Respiration

• Photosynthesis

• Combustion

• Decomposition

Tags

NGSS.MS-LS1-6

What is the primary cause of acid rain?

• Increased oxygen

• Sulfur dioxide and nitrogen oxides

• Carbon monoxide

• Methane

Tags

NGSS.MS-PS1-2

Which of the following best describes a food web?

• A single line of energy flow

• Interconnected food chains

• Only producers and consumers

• Only carnivores and herbivores

Tags

NGSS.MS-LS2-3

What is the first trophic level in a trophic pyramid?

• Primary consumers

• Secondary consumers

• Producers

• Decomposers

Tags

NGSS.MS-LS2-3

Which of the following is a result of deforestation?

• Increased habitat stability

• Habitat loss

• Increased biodiversity

• More producers

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is runoff most likely to cause in aquatic ecosystems?

• Coral bleaching

• Algae blooms

• Increased biodiversity

• Decreased temperature

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following is a biotic factor?

• Sunlight

• Water

• Trees

• Soil

Tags

NGSS.MS-LS2-4

What happens to sea levels as global temperatures rise?

• Sea levels fall

• Sea levels remain the same

• Sea levels rise

• Sea levels freeze

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5