Environmental science chapter 3

Primary consumers and producers are two examples of ____________________ levels, a way to classify living organisms based on their source of nutrients.

• Trophic

• Atmosphere

• Feeding

• food chain

Tags

NGSS.MS-LS2-3

A sequence of organisms, each of which serves as a source of nutrients or energy for the next, is called a(n) ____________________.

• Trophic Level

• Food Chain

• Food Web

• Gross Primary Productivity

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A primary consumer can also be described as a(n) ____________________, a word that means “plant eater.”

• carnivore

• omnivore

• herbivore

• detritivore

Humans cultivate plants that house bacteria in soil to convert ammonia and ammonium ions to

• phosphates

• nitrates

• oxygen

• carbon dioxide

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

____________________ makes up 78% of the volume of the atmosphere.

• oxygen

• CO2

• water vapor

• Nitrogen

____________________ is the rate at which an ecosystem’s producers (usually plants) convert solar energy into chemical energy stored in compounds found in their tissues, not accounting for the use of chemical energy through aerobic respiration.

• Gross Primary Productivity

• Net Primary Productivity

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

As solar energy interacts with carbon dioxide, water vapor, and several other gases in the troposphere, it warms the troposphere—a process known as the ____________________ effect.

• heating

• climate change

• greenhouse

• whitehouse

Tags

NGSS.MS-ESS3-5

The biosphere occupies those parts of the atmosphere, hydrosphere, and geosphere where life is found.

• true

• false

Oxygen accounts for about ____ of the air in the atmosphere

• 5%

• 53%

• 78%

• 21%

The oceans contain about ____ of Earth’s water.

• 5%

• 50%

• 97%

• 3%

Tags

NGSS.MS-ESS2-4