Succession

Dropping leaves in the fall is a characteristic of what type of tree?

• deciduous
• evergreen
• conifer
• bonsai

If fires don't regularly occur, ____ will create the climax stage of succession. They out-shade the pines with their huge leaves.

• shrubs
• fir trees/conifers
• hardwoods
• annuals

Tags

NGSS.MS-LS2-2

Pine forests keep out the competition & keep themselves the major vegetation by 

• poisoning the soil with needles
• surviving ground fires
• All these answers

The picture shows what type of succession?

• primary
• secondary
• tertiary
• quadanary

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

The first organisms that appear in an ecological community

• ecological succession 
• primary succession 
• secondary succession
• pioneer species

Starts with BARE ROCK followed by lichen

• primary succession 
• secondary succession
• both types of succession

How do lichens contribute to primary succession?

• Lichens decompose organic matter from animals and plants
• Lichens begin to break down rock to form soil
• Lichens are nitrogen fixing bacteria

The picture shows what type of succession?

• primary
• secondary
• tertiary
• quadanary

The final stable community of plants and animals is called:

• pioneer community
• farmland
• climax community
• old field

Despite having plenty of sun and rain, the tropical rainforest has very poor _____.

• biodiversity
• soil
• animal life
• air quality

Tags

NGSS.MS-LS2-1