Biodiversity-MsJ

What is biological magnification?

• Toxic chemicals decreasing with trophic level
• Toxic chemicals stay the same with trophic levels
• Toxic chemicals have no affect on trophic levels
• Toxic chemicals increases with trophic level

What does biodiversity mean?

• Only one species in an area.
• The different amount of species in an area
• All abiotic life
• Nitrogen fixation

Define habitat fragmentation.

• The excessive use of a species that has economic value.
• All species dying in one area
• The different environmental conditions that occur along the boundaries of an ecosystem.
• The separation of an ecosystem into small areas.

What is THE most major cause of extinction today?

• habitat destruction by humans
• poaching
• disease
• hunting

Tags

NGSS.MS-ESS3-4

What does this picture represent?

• species diversity
• ecosystem diversity 
• genetic diversity
• biodiversity

When we build a highway through the middle of a forest, what is this called?

• mass extinction
• habitat fragmentation
• invasive species
• mass extirpation

True or False:  Biodiversity tends to decrease nearer the equator.

• true
• false

Some conservation biologists focus on areas where the greatest number of unique species can be protected with the least amount of effort.  These areas are called...

• wildlife corridors
• habitat fragments
• biodiversity hotspots
• conservation concessions

What is NOT factor that threatens biodiversity?

• Population growth
• Habitat Loss
• Overexploitation
• Clean water

How can habitat disruption affect biodiversity?

• It can lead to loss of biodiversity.
• It will lead to new species taking over all of the habitats.
• It will lead to climate change.
• It will cause the animals to get sick.