Ecological Succession Review

The sequence of changes in an ecosystem after a natural disaster or human intervention is known as ________________.

• Ecological Progression

• Ecological Evolution

• Ecological Succession

• Ecological Transformation

Benjamin noticed that new plants were growing in his backyard. He wondered how they got there. His friend Elijah suggested that new plants come into the area by ___________________.

• spontaneous generation

• wind or animals

• volcanic activity

• ash

Lichens are the first species to colonize land in -

• secondary succession

• primary succession

• both types of succession

• neither type of succession

A group of the same species living in a specific area is referred to as a __________.

• Habitat

• Biosphere

• Population

• Community

Secondary succession is faster because-

• lichen grows faster than trees

• there is already soil present

• rocks break down quickly

• volcanic eruptions occur quickly

The type of succession that occurs when a disturbance removes all living organisms but leaves the soil intact is known as ______________________.

• Primary Succession

• Secondary Succession

• Fire Succession

• Climax Succession

What is the term for the first organisms that colonize a newly formed rock during primary succession?

• Legumes

• Lichens

• Mosses

• Ferns

Which of the following NATURAL DISASTERS can initiate primary succession?

• Forest fire

• Flood

• Mowing a field

• Volcanic eruption

What is a characteristic of primary succession, but not a characteristic of secondary succession?

• secondary species

• climax community
• formation of soil

• growth of trees

What role do lichens play in the formation of soil during primary succession?

• Lichens decompose dead animals and plants to form soil

• Lichens break down rocks to create soil

• Lichens are responsible for nitrogen fixation in the soil

• Lichens perform photosynthesis to produce glucose and oxygen