Ecological 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 ecological 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 is the difference between a primary vs. secondary succession?

• secondary occurs where there was no previous community and no soil

• they are the same

• secondary occurs in an area that was only partially destroyed but still had soil

• primary occurs in an area that was only partially destroyed but still had soil

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

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

Which of the following would cause a primary succession?

• fire

• flood

• tornado

• volcanic eruption

What is the term for the final stage of any ecological succession?

• climax community
• final community
• last community
• optimal community

True or False: All climax communities are the exact same

• True
• False