Ecological Succession Ch19/sec2

. After one year, the burned forest in Yellowstone National Park

• had barely changed.

• had begun to grow back

• had completely grown back.

• was still completely destroyed.

Tags

NGSS.MS-LS1-5

What of the following statements describes succession?

• a lake drying up over time

• a forest being destroyed

• a community quickly growing back

• a community growing over time

Tags

NGSS.MS-LS2-4

. The first organisms to start a process of succession are called (a)   .

The types of organisms that are usually the pioneer species in primary succession are (a)   .

Over time, the remains of (a)   add to the soil.

Tags

NGSS.MS-LS2-3

What process occurs in an area where bare rock is transformed into soil?

(a)  

How long does it take for an area of bare rock to become a forest?

(a)  

Tags

NGSS.MS-LS2-3

Secondary succession may occur in an area if

• no disturbances occur there for hundreds of years.

• soil is left intact after a major disturbance

• a glacier retreats from the area.

• a farmer continually grows crops in the area.

Tags

NGSS.MS-LS2-2

What is usually the first plant to grow in secondary succession?

• conifers

• crops

• crab grass

• horseweed

. In secondary succession, how long does it take for a forest to form?

• 5–15 years

• 100 years

• 250 years

• 1000 years