Ecological succession

Primary succession almost always begins with ...

• hard soil

• dry lake bottom

• bare rock

• burned out forest

when one group of species is replaced with others over time, it is called..

• ecological succession

• natural selection

• evolution

• climax community

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-5

If a forest fire completely destroys the plant and animal life in a forest, what kind of succession will eventually start restoring it?

• primary succesion

• secondary succession

Tags

NGSS.MS-LS2-3

If a hurricane destroys a town, what kind of succession will occur?

• primary succession

• secondary successio,

• all of the above

• none of the above

When a volcano erupts, what kind of succession will occur?

• none

• primary succession

• secondary succession

• flowers start to grown

Tags

NGSS.MS-LS2-4

Out of rock outcrop that has never been home to living organisms, what is likely to be the first organism to grow there?

• grass

• wildflowers

• lichen

• algae

About how long does secondary succession take before it reaches a climax community?

• 5 years

• over 1000 yrs

• 100+ years

• a million yrs

Which statement is true about forest fires?

• forest fires are always bad for ecosystem

• forest fires always result in primary succession

• forest fires can sometimes be beneficial for the ecosystem

• forest firest are always a tragedy for somebody

Tags

NGSS.HS-LS4-5

Lichen is a combination of two different organisms. What are they?

• bacteria & algae

• mold & mushrooms

• fungus and bacteria

• fungus and algae

The first species to colonize a barren area is called a ...

• biome

• climax community

• pioneer species

• grassland