G12 worksheet 1 Q2

Gradual, natural change in an ecosystem over time:

• Succession

• Movement

• Evolution

• Change

After a volcano destroys the land, ________________ succession takes place.

• Secondary

• Primary

• Tertiary

• Important

The first species to live in a land, after destruction, are:

• Oregon Trail species

• Primary consumers

• Pioneer species

A pattern of change after existing ecosystem is destroyed, such as clearing for farming.

• Evolution

• Secondary Succession

• Primary Succession

Primary succession takes ____________ time than secondary succession.

• More

• Less

• Same

A new island is formed after a volcano erupts.

What is the order that things would grow?

• Tree, grass, moss

• Lichen, Grass, Shrub, Tree

• Lichen, Shrub, Moss, Tree

• Shrub, grass, moss, tree

The first plants to grow on bare rock are:

• Pioneer species

• large trees

• succession community

After an area was cleared for farmland 100 years ago, it has completely regrown large trees. This is an example of:

• Evolution

• Ecology

• Primary Succession

• Secondary Succession

What type of organism would typically grow on bare rock?

• Moss and lichen

• Grass

• Oak trees

• Shrubs

Would an oak tree be one of the first or last species to grow?

• First

• Last