Unit Environmental Science

The broadest level of hierarchy in the level of organisms that includes all ecosystems on Earth is the:

• Population

• Community

• Organism

• Biosphere

Rocks, temperature, and water are all:

• Abiotic factors

• Biotic factors

• Living factors

• Ecosystem factors

Tags

NGSS.MS-LS2-3

Which best matches objects that a scientist would include on a list describing a forest ecosystem?

• Different types of animals, plants, and soil

• One animal species, soil, water, and nutrients

• All the living things in the forest

• Different types of soil, rocks, and water sources

The amount of energy lost by an organism while moving through the trophic levels.

• 10%

• 45%

• 90%

• 100%

Tags

NGSS.MS-LS2-3

What is the ultimate source of energy in an ecosystem?

• Green plants

• The sun

• Wind

• Soil

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The community of a pond is made up of all the:

• Biotic and abiotic factors

• Resources and organism needs

• Habitats in and around the water

• Populations of fish, insects, and other living organisms

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which is the largest organizational level found in one coral reef?

• Organism

• Population

• Ecosystem

• Biosphere

What is the process plants use to make their own food?

• Chlorophyll

• Photosynthesis

• Solar radiation

• Carbohydrates

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is an organism that gains it's energy by eating other organisms?

• Producers

• Autotrophs

• Consumers

• Carnivore

Tags

NGSS.MS-LS2-3

Which of the following is the BEST example of how energy moves through an ecosystem?

• Grass, fungi, deer, wolf

• Grass, deer, fungi, wolf

• Fungi, wolf, deer, grass

• Grass, deer, wolf, fungi

Tags

NGSS.MS-LS2-3