NEW
Font size
WorksheetsStudy Jams: Changes in Ecosystems
Total questions: 7
Worksheet time: 4mins
What is succession?
the continuation of an ecosystem in its present state
the balance between humans and nature in an ecosystem
the way to stop pollution in an ecosystem
the gradual growth of new organisms in an ecosystem
Which of the following is a natural disaster that could wipe out an ecosystem?
a sunny day
a rain storm
a forest fire
an oil spill
Why would algae grow in a lake?
because the lake is polluted
because the lake is a newly created ecosystem
because there are not a lot of fish in the lake
because a natural disaster destroyed the lake
What is the purpose of succession?
to put an end to the creation of new ecosystems
to form a complete ecosystem
to have ecosystems that last no longer than 2 years
to eliminate the need for conservation
What is it called when changes occur in an ecosystem that already exists?
primary succession
secondary succession
conservation
pollution
In what ways can humans change an ecosystem?
by making a region flood
by creating hurricanes
by adding to the amount of pollution in an ecosystem
by enjoying nature
What needs to be balanced in order for an ecosystem to thrive?
algae and hurricanes
pollution and conservation
primary succession and secondary succession
humans and nature
