Changing Ecosystems

The series of predictable changes that occur in a community over time is called

• parasitism

• succession

• biodiversity

Primary succession occurs when a ____________ occurs in an area.

• volcanic eruption

• tornado

• flood

• fire

What do you call the series of changes that occur when there is no soil or organisms that exist in an area?

• Secondary succession

• Primary succession

• Royal succession

• Ecosystem

The first species to grow in an area following primary succession is called a

• Niche species

• Secondary succession

• Pioneer species

• Brave

What do you call changes that occur after a fire, flood, or other natural disaster that disturbs an ecosystem?

• Primary succession

• secondary succession

• factors in succession

• habitat

Tags

NGSS.MS-LS2-4

Which is NOT an example of when secondary succession would occur?

• Flood changing the path of a creek

• Tornado destroying a forest

• Tsunami caused by an earthquake

• Glacier rock scraping the soil off a mountain

Tags

NGSS.MS-ESS2-2

Pioneer species are (pick two)

• lichen

• moss

• ferns

• snails

What is the order of succession shown in this figure?

• A, B, C, D
• B, A, D, C
• C, D, A, B
• D, A, B, C

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

What is ecological succession?

• A series of predictable changes that occur in a community over time.

• It is the number of fish increasing.

• It is the seasons of the year.

• It is that rain follows cloud formation.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

A kind of abiotic resource is

• water

• wood

• food

• pets

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4