Biodiversity & Threats to Biodiversity

Death to all members of a species

• Extinction

• Extirpation

• Endangered

• Threatened

Tags

NGSS.MS-LS4-1

At serious risk of extinction

• Endangered

• Threatened

• Extirpated

• Red-listed

Tags

NGSS.HS-LS2-7

NGSS.HS-LS4-5

Species important to the functionality of an ecosystem

• Keystone

• Indicator

• Threatened

• Extirpated

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Patches of suitable habitat surrounded by unsuitable habitat

• Fragmentation

• Extirpation

• Relocation

• Emigration

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is a Mass Extinction?

• One species goes extinct.
• A large percentage of species go extinct in a short period of time.
• The natural, gradual extinction of species over time.
• Several species go extinct in one ecosystem.

Tags

NGSS.MS-LS4-1

Humans are causing extiction in which ways?

• By over hunting animals for food or products.
• By destroying the natural habitat of species.
• By polluting the environments of the world.
• All of the above.

Tags

NGSS.HS-LS2-7

NGSS.HS-LS4-5

What effect is shown in this picture? (The pond is green from algae).

• biomagnification
• eutrophication
• habitat fragmentation
• invasive species

The normal extinction of various species as a result of changes in local environmental conditions.

• background extinction
• mass extinction

Tags

NGSS.MS-LS4-1

The practice of harvesting or hunting to such a degree that remaining individuals may not be able to replenish the population is called _____.

• biomagnification
• overexploitation
• edge effects
• natural resource

Tags

NGSS.HS-LS2-6

NGSS.HS-LS2-7

The process shown here is called __.

• biomagnification
• eutrophication
• invasive species
• mass extinction

Tags

NGSS.MS-LS2-4