Chapter 4 lesson 4

What type of succession is shown going from figure A to figure B?

• primary succession
• eutrophication
• secondary succession
• intermediate

Which process occurs after a forest fire?

• eutrophication
• photosynthesis
• primary succession
• secondary succession

What is an succession?

• Series of gradual changes that occur after a disturbance
• Changes that only happen when species die
• a series of changes that cause a population to increase or decrease
• an INSTANT change caused by a disturbance

What is the difference between a primary vs. secondary succession?

• secondary occurs where there was no previous community
• they are the same
• secondary occurs in an area that was only partially destroyed
• primary ocurs in an area that was only partially destroyed

Limiting factors are sometimes helpful because they can keep the population from getting to large.

• True
• False

A snake is eaten by a hawk. The hawk is the _______.

• prey
• parasite
• predator
• all of these

Food, water, sunlight, shelter, and space are resources that are often __________.

• limiting factors
• wet
• messy
• found in rocks

If the population of a certain predator increases, there is often _______ its prey

• a decrease the population of
• an increase of the population of 
• great news for its prey of
• no  impact found on

If there is more food than usual in an ecosystem, then...

• Populations will stay the same
• Populations will decrease
• Populations will increase

What do you call the tree population of the field 150 years after it was abandoned?

• a young forest
• primary succession
• a climax forest
• a prarie community