Succession and Biodiversity

Which food web has the greater biodiversity?

• 
• 

Tags

NGSS.MS-LS2-5

Which indicator most likely limits the sustainability of organisms within an ecosystem?

• Amount of annual precipitation

• Lack of biodiversity within the ecosystem

• Presence of decomposers

• Checks and balances

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which organisms help increase the biodiversity of an ecosystem and conserve and recycle resources?

• Producers

• Parasites

• Predators

• Decomposers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

Scientists observe two different habitats in North America. In the event of a natural disaster, which habitat most likely survives and has the ability to rebuild?

• Habitat 1

• Habitat 2

• They both have the exact same chance of survival

• Only the Tertiary consumers would survive

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A predator of several organisms is introduced into an ecosystem. How might it affect the biodiversity of the environment?

• Biodiversity increases as the number of species decreases.

• Biodiversity increases as the number of species increases.

• Biodiversity remains constant as the number of species decreases.

• Biodiversity decreases as the number of species increases.

Tags

NGSS.MS-LS2-4

A student discovers a large, flat rock where lichens and moss are growing. Which type of succession has the student observed?

• Primary succession

• Secondary succession

• Tertiary succession

• Quaternary succession

Tags

NGSS.MS-LS2-4

What type of animals or plants must move into the environment before succession can begin?

• Decomposers

• Consumers

• Equilibrium species

• Pioneering species

Which is NOT an example of ecological succession observed in a microhabitat?

• Grass growing in sidewalk cracks

• Insects hatching in cow manure

• Garden being invaded by weeds

• Absence of soil nutrients

How will an area begin to recover after a forest fire?

• Animals return first and then grass, shrubs, small trees, and large trees.

• Trees return first and then grass, shrubs, and animals.

• Grass returns first and then shrubs, small trees, and large trees.

• Small trees return first and then large trees, grass, and shrubs.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A hiker approaches a well-established mountain. There are large animals and trees in the habitat. What term best identifies the community?

• Final community

• Primary community

• Climax community

• Habitation community