Which of the following is not an ecosystem?

• vacant lot

• coral reef

• oak forest

• utility pole

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

• abiotic factors in the water

• resources organisms need

• habitats in and around the wate

• populations of fish, insects, and other living organisms

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which kind of organism obtains energy only from producers?

• decomposer

• herbivore

• carnivore

• all of the above

Which gas makes up 78% of our atmosphere but can be used by plants only when transformed by bacteria first?

• nitrogen

• oxygen

• hydrogen

• carbon dioxide

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Consumer are organisms that...

• eat only other animal species

• get their energy by eating other organisms

• are also known as self-feeders

• occupy an ecosystem's lowest energy level

Tags

NGSS.MS-LS2-3

Which of the following is likely to cause density-independent deaths?

• winter storms

• disease-carrying insects

• predators

• limited resources

Define the following:  a process in which the materials of Earth’s surface are loosened, dissolved, or worn away and transported from one place to another by a natural agent, such as wind, water, ice, or gravity

• sediment
• erosion
• weathering
• igneous

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Define the following: all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.

• the geosphere

• the hydrosphere

• the lithosphere

• the atmosphere

Tags

NGSS.MS-ESS2-4

Where does literally everything get it's energy from?

• the sun
• the moon
• bacteria
• consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Define the following:  an organism that gets their energy by eating other organisms

• autotroph
• heterotroph
• producer
• decomposer