Succession & Biogeochemical

The picture shows what type of succession?

• primary
• secondary
• tertiary
• quadanary

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 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

This type of succession occurs after a forest fire

• primary succession
• secondary succession
• both

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

• primary succession
• secondary succession

Which catastrophic event will most likely cause an ecosystem to begin primary succession?

• A tornado
• A volcanic eruption
• A flood

After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?

• Lichens → Shrubs → Grasses → Trees
• Shrubs → Trees → Grasses → Lichens
• Grasses → Lichens → Shrubs → Trees
• Lichens → Grasses → Shrubs → Trees