Font size
WorksheetsEcological Succession
Total questions: 21
Worksheet time: 29mins
Primary succession occurs in an area that has:
soil
no soil
some soil
none of these
___ are the first organisms to colonize an area and begin the process of ecological succession.
foundational organisms
introductory organisms
primary organisms
pioneer species
___ are the first organisms to colonize an area and begin the process of ecological succession.
foundational organisms
introductory organisms
primary organisms
pioneer species
What is the main difference between primary and secondary ecological succession?
Primary begins WITHOUT soil; Secondary begins WITH soil
Primary is the first state and secondary is the second stage
Primary builds plant community; secondary builds animal community
Primary begins WITH soil; Secondary begins WITHOUT soil
What is an example of a disturbance that could bring about secondary succession?
Humans cut down many trees in a small region
A volcanic eruption covers a village in lava.
During a forest fire most vegetation (plants) burn. Which ecological succession will take place after a forest fire?
Primary
Secondary
As ecological succession progresses, a pioneer community gradually changes into a climax community. What typically happens during this process?
The number of species increases
The number of species decreases
The organisms in an area decrease in size
The organisms in an area can no longer find food
Which of the following types of organisms would be present during the pioneer community stage of ecological succession?
Lichens and mosses
Grasses and shrubs
Small trees and wildflowers
Tall trees and thick brush
Which
As an ecosystem transitions from a grassland to a forest, grasses will begin to -
adapt to life in the forest.
be replaced by other plants.
multiply to establish dominance.
relocate to a nearby grassland.
What are the two types of ecological succession?
Primary and Secondary
Environmental and Natural
Habitat and Community
Population and Community
How does Primary Succession begin?
Begins in the mountains
Begins in the oceans
Begins in swamps
Begins in a place without any soil
When lichens die what happens to them?
They are blown away by the wind
They float down the river
They decompose adding small amounts of organic matter to the rock to make soil
They made flowers and animals
What succession is represented in the photo
Primary Succession
Secondary Succession
In what order does Pond Succession move?
forest >shrubs>dry land/ grasses> marsh > pond
marsh> shrubs> forest> dry land/grasses> pond
pond> dry land/grasses> shrubs > marsh
Pond> marsh> dry land/grasses> shrubs> forest
What is climax community?
the final stage in a succession
first species to begin a succession
Ecological Succession can best be described as... (a)
When a farm or garden is left unplanted, SECONDARY SUCCESSION occurs, returning the land to a mature, climax community. What is the order that reflects how plants will emerge in the new community: (a) (b) (c) (d)
Grasses and weeds
1st step
Wildflowers/Perennials
2nd step
Shrubs
3rd step
Evergreen trees
4th step
As ecological succession progresses, a pioneer community gradually changes into a climax community. What typically happens during this process? (a)
