Test 1.3-Changes in Ecosystems 2024

Front

What event in March 2011 significantly impacted coastal ecosystems in Japan?

Back

A large earthquake triggered a tsunami.

Front

Which population is likely to reach an ecosystem's carrying capacity first after a disturbance?

Back

Turtles.

Front

What is a negative impact on ecosystems caused by human activity?

Back

Constructing highways.

Front

What do the rings on a tree trunk indicate?

Back

The age of the tree.

Front

What is the main difference between primary and secondary succession?

Back

Primary succession begins with bare rock.

Front

How does building a freeway through a forest affect the ecosystem?

Back

It fragments the ecosystem and changes species interactions.

Front

What is carrying capacity in an ecosystem?

Back

The maximum population size of a species that an environment can sustain.

Front

What is primary succession?

Back

The process of ecological change that occurs in an environment that has not previously been inhabited.

Front

What is secondary succession?

Back

The process of ecological change that occurs in an environment that has been disturbed but where soil and organisms still exist.

Front

What role do keystone species play in an ecosystem?

Back

They have a disproportionately large effect on their environment relative to their abundance.