Succession

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

• primary succession
• eutrophication
• secondary succession
• intermediate

Which process occurs after a forest fire?

• eutrophication
• photosynthesis
• primary succession
• secondary succession

What is an succession?

• Series of gradual changes that occur after a disturbance
• Changes that only happen when species die
• a series of changes that cause a population to increase or decrease
• an INSTANT change caused by a disturbance

What time frame best describes how long primary succession generally takes?

• less than year
• around 1 year
• more than 1 but less than 100
• more than a 100 years

What is the difference between a primary vs. secondary succession?

• secondary occurs where there was no previous community
• they are the same
• secondary occurs in an area that was only partially destroyed
• primary ocurs in an area that was only partially destroyed

What is the first species you will see after a primary succession? (in picture)

• lichens
• mosses
• small plants
• insects

During primary succession, lichen or algae would be considered __?

• pioneer species
• volunteer species
• founder species
• conqueror species

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 which type of succession? 

• primary
• secondary
• old field
• ecosystem

The picture shows what type of succession?

• primary
• secondary
• tertiary
• quadanary