7.5 Ecological Succession

Front

What is formed during primary succession that doesn't need to be formed during secondary succession?

Back

soil

Front

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

Back

secondary succession

Front

A climax community is reached

Back

at the end of succession

Front

A volcano erupts and covers the entire island it is on with lava. Once it eventually hardens, primary succession begins to occur. Which of the following lists the correct order in which plant growth would occur?

Options:

shrubs -> mosses -> coconut trees -> sea grasses

,

volcanic rock -> lichen -> mosses -> grasses -> coconut trees

,

volcanic rock -> shrubs -> coconut trees -> sea grasses

,

volcanic rock -> sea grasses -> coconut trees -> shrubs

Back

volcanic rock -> lichen -> mosses -> grasses -> coconut trees

Front

A logger clears a forest and the forest re-grows over many subsequent years. Which type of succession represents the regrowth of this forest?

Back

Secondary succession

Front

After a natural disaster, like a hurricane, what will happen to the damaged ecosystem?

Back

An ecosystem like the previous one will be re-established.

Front

Organisms that are the first to move into an area, and begin forming soil for an ecosystem, are known as

Back

pioneer species

Front

Which of the following statements is not true of secondary succession?

• moss and lichens must be present
• occurs after a disturbance
• begins with soil
• ends in a climax community

Back

moss and lichens must be present

Front

The first organisms to move into an ecosystem are known as __________, such as mosses.

Back

pioneer species

Front

When succession reaches its final stage, it is known as a ____________, and will exist until it is destroyed by a disturbance. Options:

pioneer species

,

invasive species

,

climax community

,

native species

Back

climax community