Biodiversity in Ecosystems

Biodiversity refers to the __ and the __ of organisms in an specific region

• number & variety

• health & space

• health & variety

• number & space

Tags

NGSS.MS-LS2-5

Higher biodiversity means (a)  

• a healthier ecosystem
• more organisms
• a large variety of species
• dynamic equilibrium

Tags

NGSS.MS-LS2-5

Resilience determines how well an ecosystem can maintain

• major changes

• dynamic equilibrium

• populations

• perfect balance

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

Which is NOT one of the five major threats to biodiversity?

• invasive species

• pollution

• climate change

• resilience

Tags

NGSS.MS-LS2-5

Reclamation refers to the process of restoring land disturbed by

• cutting down trees

• mining

• pollution

• invasive species

Habitat restoration ______ biodiversity

• increases

• decreases

• maintains

Tags

NGSS.MS-LS2-5

An ecosystem with a high number of species has

• a high biodiversity

• a low biodiversity

• an even number of biodiversity

• there is not enough information to decide

Tags

NGSS.MS-LS2-5

Invasive species can be controlled using (a)   ?

• reclamation
• use of herbicides
• quadrant sampling
• canopy fogging

Tags

NGSS.MS-LS2-5

An invasive species is threatening a river. What is a method that could be used to help control the invasive species?

• the use of another species

• reforestation

• tourism

• provisioning

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

Habitat destruction involves

• the overuse of animal and plant species

• the contamination of the the environment with substances that are harmful to life

• changing a habitat so much that it is no longer usable by the organisms that live there

• the introduction of a non-native species

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

NGSS.MS-ESS3-4