Holt Environmental Ch. 10.1 Quiz

A species that are critical to the functioning of an ecosystem

• hybrids

• ecotourism

• genetic diversity

• keystone species

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-2

NGSS.MS-LS2-4

All the different genes contained in all members of a population

• hybrids

• ecotourism

• genetic diversity

• keystone species

Tags

NGSS.MS-LS4-4

A tourist experience among unique wildlife and ecosystems

• hybrids

• ecotourism

• genetic diversity

• keystone species

Tags

NGSS.MS-LS2-5

Varieties developed by combining genetic material from other populations

• hybrids

• ecotourism

• genetic diversity

• keystone species

Tags

NGSS.MS-LS4-5

The number and variety of different species in a given area

• hybrids

• biodiversity

• genetic diversity

• keystone species

Tags

NGSS.MS-LS2-5

Hunting sea otters along the U.S. Pacific coast resulted in

• an increase in biodiversity.

• a decrease in biodiversity.

• a reduction in the sea urchin population.

• the extinction of kelp.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-1

To which groups do most of the unknown species belong?

• mammals and trees 

• protozoans and algae

• bacteria and plants

• insects and fungi    

A crop that results from combining genetic materials is called

• a hybrid variety.   

• a bottleneck offspring.

• a keystone species.

•  a wildflower species

Tags

NGSS.MS-LS4-5

Which level of biodiversity may still be reduced after a species recovers from a threat to its survival?

• ecosystem diversity  

• genetic diversity 

• species diversity 

• population diversity

Tags

NGSS.HS-LS4-5

How do people benefit from biodiversity?

• aesthetic or personal enjoyment     

•  source of new products

•  variety of food

• All of these

Tags

NGSS.MS-LS2-5