Succession 11/27

What is formed during primary succession that doesn't need to be formed during secondary succession?

• pioneer species
• soil
• climax community
• lichens

What type of succession is shown going from figure A to figure B?

• primary succession
• eutrophication
• secondary succession
• intermediate

After a forest fire, an ecosystem would start regrowth through -

• primary succession
• secondary succession
• climax community
• limiting factors

Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?

• A tornado
• A volcanic eruption
• A flood
• A drought

succession that occurs in an area with no soil

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

If farmers use a controlled burn to prevent forest fires, what would most likely be the first plants to return?

• trees

• shrubs

• mosses

• grasses

Breaking News! A new island has formed off of Hawaii! What must occur for it to become an ecosystem?

• Secondary Succession

• Aquatic succession

• Primary Succession

• Ferns must grow

Which would result in primary succession?

• volcano destroying habitat leaving only soil and ash

• Tornado destroying a crop leaving very little soil

• Glacier retreating exposing bare rock

• limiting factors

How do lichens contribute to primary succession?

• Lichens decompose organic matter from animals and plants
• Lichens begin to break down rock to form soil
• Lichens are nitrogen fixing bacteria
• Lichens convert carbohydrates into fossil fuels.

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

• primary
• secondary
• old field
• ecosystem