5th-6th Grade Science Chapter 8 Review- Changes in an Ecosystem- Part 1

Match it! Select the correct answer from the pull down...Good luck!

The largest man-made stress is probably ___.

Species that are not native to an ecosystem and can cause harm are ___.

The gradual changes in the populations of organisms in an ecosystem are called ___.

True or False: Consumers get nitrogen compounds by eating other animals or plants.

True or False: Carbon dioxide is released into the air during decomposition.

Whenever an ecosystem receives less water than it needs, a ____ occurs.

When the population of a species is so small that the species may soon become extinct, it becomes ___.

True or False: Nitrogen is important for living things to grow and function normally.