Environmental Science Midterm

Front

What is the correct sequence for energy flow within an ecosystem?

Back

Producers -> Herbivores -> Carnivores -> Scavengers.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

How old is the Earth?

Back

The Earth is about 4.6 billion years old.

Tags

NGSS.MS-ESS1-4

Front

Which element is the most abundant in the atmosphere?

Back

Nitrogen.

Front

What group of organisms performs photosynthesis?

Back

Autotrophs.

Tags

NGSS.MS-LS1-6

Front

What human activities have a direct effect on the hydrologic cycle?

Back

Deforestation, Urbanization, and Mining of fossil fuels.

Tags

NGSS.MS-ESS3-4

Front

Define 'Ecosystem'.

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

What is 'Photosynthesis'?

Back

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Tags

NGSS.MS-LS1-6

Front

What are 'Autotrophs'?

Back

Autotrophs are organisms that produce their own food from inorganic substances.

Front

What are 'Heterotrophs'?

Back

Heterotrophs are organisms that cannot produce their own food and rely on consuming other organisms.

Tags

NGSS.MS-LS2-3

Front

Define 'Biomass'.

Back

Biomass is the total mass of living matter within a given unit of environmental area.