Loading...

How well have you learned the skills and content in this lesson?

These questions will help you prepare for the lesson quiz. Be sure to read the feedback carefully for any questions you answer incorrectly, and review those topics before leaving this lesson and taking the quiz.

What is ecological succession?

  1. a process reducing an established ecosystem to fewer species
  2. a very stable and diverse community
  3. a stage with dominate pioneer species
  4. a series of predictable changes that occur in an area over time

Ecological succession begins with few life forms and develops with increasing complexity.

Ecological succession begins with few life forms and develops with increasing complexity.

Ecological succession begins with few life forms and develops with increasing complexity.

Ecological succession begins with few life forms and develops with increasing complexity.

When is pedogenesis most important?

  1. during primary succession
  2. during secondary succession
  3. in a seral community
  4. in a stable community

Pedogenesis is the formation of soil.

Pedogenesis is the formation of soil.

Pedogenesis is the formation of soil.

Pedogenesis is the formation of soil.

On which of these structures would secondary succession begin?

  1. a rock formation
  2. a lava bed
  3. abandoned crop land
  4. a retreating glacier

Secondary succession begins after an ecological disturbance.Soil is already formed at the beginning of secondary succession.

Secondary succession begins after an ecological disturbance.Soil is already formed at the beginning of secondary succession.

Secondary succession begins after an ecological disturbance.Soil is already formed at the beginning of secondary succession.

Secondary succession begins after an ecological disturbance.Soil is already formed at the beginning of secondary succession.

What is an example of an allogenic factor?

  1. leaves capturing light
  2. nitrogen fixation
  3. detritus production
  4. volcanic eruption

Allogenic factors are abiotic factors.

Allogenic factors are abiotic factors.

Allogenic factors are abiotic factors.

Allogenic factors are abiotic factors.

What is each stage of ecological succession called?

  1. sere
  2. allogenic
  3. pioneer
  4. primary

This is sometimes called a seral community.

This is sometimes called a seral community.

This is sometimes called a seral community.

This is sometimes called a seral community.

Which of these are pioneer species?

  1. grasses
  2. lichens
  3. shrubs
  4. herbaceous plants

Pioneer species are the first to show up.

Pioneer species are the first to show up.

Pioneer species are the first to show up.

Pioneer species are the first to show up.

Summary

Questions answered correctly:

Questions answered incorrectly: