Succession in an ecosystem

What is a common characteristic among pioneer species?

• roots that break apart rocks

• long thick roots

• exposed surface roots

• soak up water quickly

Which of the following best describes primary succession?

• Volcano wipes out ecosystem that gradually grows back from ash covered soil

• Volcano creates a new island of rock that must break down to form an ecosystem

• Forest fire burns down forest that must bounce back over time

• Tornado destroys a crop that must slowly grow back over time.

Breaking News! A new island has formed off of Hawaii! What must occur for it to become an ecosystem?

• Secondary Succession

• Aquatic succession

• Primary Succession

• Ferns must grow

Which would most likely result in primary succession?

• old forest growing

• undisturbed prairie

• pollution kills mountain lake species

• a Newly formed volcanic island

Which would result in primary succession?

• volcano destroying habitat leaving only soil and ash

• Tornado destroying a crop leaving very little soil

• Glacier retreating exposing bare rock

• limiting factors

Primary succession occurs in areas with:

• very little soil

• lots of soil

• no soil

• soil that has been disturbed

What best describes the term succession?

• rapid changes that create an ecosystem overnight

• gradual changes over time to fully create or restore and ecosystem

• forest with the tallest trees

• the rate species produce offspring

What is a common characteristic among pioneer species?

• roots that break apart rocks

• long thick roots

• exposed surface roots

• soak up water quickly

Which of the following best describes primary succession?

• Volcano wipes out ecosystem that gradually grows back from ash covered soil

• Volcano creates a new island of rock that must break down to form an ecosystem

• Forest fire burns down forest that must bounce back over time

• Tornado destroys a crop that must slowly grow back over time.

Breaking News! A new island has formed off of Hawaii! What must occur for it to become an ecosystem?

• Secondary Succession

• Aquatic succession

• Primary Succession

• Ferns must grow