Succession and Biodiversity

What is the goal of the pioneer species in Primary Succession?

• To kill the dead materials after a disaster
• To rebuild soil
• To feed Johnny
• To put fresh oxygen into the air

What is the name given to lichen or algae during a primary succession?

• pioneer species

• volunteer species

• founder species

• conqueror species

After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?

• Lichens → Shrubs → Grasses → Trees
• Lichens → tree → shrubs→Grasses
• Grasses → Lichens → Shrubs → Trees
• Lichens → Grasses → Shrubs → Trees

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

Succession that occurs in an area with NO SOIL

• ecological succession 
• primary succession 
• secondary succession
• pioneer speciles

_____ species is a non-native plant/animal introduced accidentally or intentionally by humans 

• extinct
• endangered
• threatened
• invasive (exotic) 

Tags

NGSS.HS-LS2-7

Which of these describes a species that has become extinct?

• fewer members of the species are dying than being born
• more members of the species are dying than being born
• very few members of a species are alive
• all members of a species have died

The final stable community of plants and animals is called:

• pioneer community
• farmland
• climax community
• old field

Occurs over time

• primary succession 
• secondary succession
• both types of succession

Tags

NGSS.MS-LS2-4

To keep our ecosystem healthy, we must keep our?

• limited organisms
• earth
• sun
• biodiversity

Tags

NGSS.MS-LS2-5

Biodiversity, aka biological diversity, usually refers to

• the same species in a general location

• the number of different species in a given area

• the number of animal species in a given area

• the number of plant species in a given area

Tags

NGSS.MS-LS2-5