Ecosystem Stability

What are the consumer levels in a food web?

• primary

• secondary

• tertiary

• all the above

What would most likely happen to snake and owl populations if mice are removed from their food chain?

• The snake will eat more owls.

• The snake will eat fewer owls.

• There will be more snakes and owls.

• There will be fewer snakes and owls.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What are the trophic levels in an energy pyramid starting from the bottom of the pyramid?

• producer, herbivore, carnivore, scavenger, decomposer

• decomposer, producer, herbivore, carnivore, scavenger

• herbivore, producers, carnivores, scavengers, decomposer

• scavenger, producer, herbivore, scavenger, decomposer

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

The ecological relationship between a snake and a mouse is the same type of relationship as the following.

• a cow and tick

• a mouse and hawk

• a hummingbird and flower

• none of the above

What factor most likely limits the tundra carrying capacity?

• the number of herbivores

• the amount of sunlight

• the availability of precipitation

• the availalibiltiy of land

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Why do non-native plants threaten native plants?

• succession

• deforestation

• eutrophication

• urbanization

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following is a result of the arrival of exotic speices?

• forest biodiversity

• many other populations disappear

• all speices increase

• none of the above

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of the following is not an abiotic factors of desert

• rocks

• soil

• sunlight

• cactus

Tags

NGSS.MS-LS2-1

What abiotic factor limits the altitude at which organisms can grow?

• the presence of bacteria

• the temperature of the area

• the presence of carnivore animals

• the concentration of microbes in the soil

Tags

NGSS.MS-LS1-5

If farmers come in and cut down forest and plant more soil which with fertilizer that runs off in our rivers and steams, this can most likely cause which of the following to happen to aquatic ecosystems?

• urbanization

• eutrophication

• succession

• deforestation

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4