Biodiversity/Human Impact

In this tundra food web, if grasses were removed what would happen to the sustainability of the ecosystem?

• There would be an overpopulation of arctic hares and lemmings.
• Polar bears would move to a new ecosystem
• The ecosystem would collapse because it lost its main producer
• Wildflowers would die out from the ecosystem

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following describes the variation in genes that exist within a species?

• genetic diversity
• species diversity
• ecological diversity

Biodiversity describes the variety of life across levels of ecological organization.

• True
• False

Tags

NGSS.MS-LS2-5

Which of the following describes the number of species and abundance of each species that live in a particular location?

• genetic diversity
• species diversity
• ecological diversity

Where will you find the most biodiversity?

• in the south pole
• in the north pole
• near the equator
• in the oceans

Tags

NGSS.MS-LS2-5

Which is not one of the benefits of biodiversity?

• Economic value
• Uniform genetics in a species
• Survival of species in the ecosystem
• Cultural value

Which is an example of genetic biodiversity?

• Different skin color within a species.
• Different types of species in an ecosystem. 
• Every organism has the same genetic sequence. 
• All populations look identical within a species. 

Tags

NGSS.MS-LS4-4

Which ecosystems has the greatest amount of biodiversity?

• polar regions
• deciduous forest
• tundra
• tropical rainforest

What is protecting Biodiversity?

• Protecting an individual endangered species or entire ecosystem

• Harming an entire ecosystem

• Contaminating the environment with pollution

• All of the above

Soil erosion can increase when humans remove trees and other vegetation from an area. What is this process called?

• decomposition

• conservation

• deforestation

• urbanization

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-4