Ecosystem Structure

What is the process by which the structure of a biological community evolves over time?

• 
  Primary succession

• Ecological succession

• Secondary succession

• Pioneer succession

Which type of succession occurs in an area that was previously uninhabited?

• 
  Ecological succession

• 
  

  Pioneer succession

• 
  Secondary succession

• 
  

  Primary succession

What are the first organisms that live in a previously uninhabited area called?

• Succession species

• 
  

  Pioneer species

• 
  Primary species

• 
  

  Secondary species

What is the reestablishment of a damaged ecosystem in an area where the soil was left intact called?

• 
  Primary succession

• 
  Ecological succession

• 
  Pioneer succession

• 
  Secondary succession

What are the natural causes of fluctuation in an ecosystem?

• 
  Fires, floods, windstorms, and insect population explosions

• Rotation of which types of species are fished or harvested for giving the “off” species time to recover their numbers until the next harvest

• 
  Deforestation, fracking of oil, mining, introduction of exotic plant and animals

• Reduction of biodiversity, exploitation of natural resources, pollution, land use

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is a nonrenewable resource?

• 
  Solar

• 
  

  Wind

• 
  Hydrothermal

• 
  

  Coal

What is the amount of land necessary to produce and maintain enough food, water, shelter, energy and waste called?

• 
  Renewable resource

• 
  

  Conservation practice

• 
  

  Ecological footprint

• 
  Biodiversity indicator

What helps determine the health of an ecosystem?

• 
  Pioneer species

• 
  

  Indicator species

• 
  Renewable resources

• 
  

  Nonrenewable resources

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is an ecological footprint? (pick two)

• 
  Amount of land necessary to maintain food, water, energy, shelter

• Amount of water in a lake

• 
  Measure of human demand on the Earth's ecosystems

• Distance between two ecosystems

Tags

NGSS.MS-ESS3-4

What is the term for a reproductively interactive group of animals?

• 
  Population

• Community

• Niche

• 
  

  Carrying Capacity

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4