Unit 7 Review Round #2

What is an invasive species?

• A native (naturally found) species which are added to an area. 
• A non-native (not naturally found) species added to an area. 
• A keystone species in an environment
• none of the above

succession that occurs in an area with no soil

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

succession that occurs in an area where soil is already present

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

the first organisms that appear in an ecological community

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

a stable ecological community that has reached equilibrium

• ecological succession 
• climax community
• secondary succession
• pioneer speciles

starts with bare rock followed by lichen, grasses, and moss

• primary succession

• secondary succession

• both types of succession

Natural disasters such as flooding and tornadoes are linked to ________________.

• primary
• secondary
• old field
• ecosystem

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

• Shrubs → Grasses → Trees

• tree → shrubs→Grasses

• Grasses → Lichens → Shrubs → Trees

• Grasses → Shrubs → Trees

The first organisms that appear in an ecological community

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

The process of change in the living parts of the ecosystem 

• ecological succession 
• primary succession 
• climax community
• pioneer species