Which of the following is a saltwater ecosystem?

Which of the following is NOT a terrestrial ecosystem?

Which terrestrial ecosystem is characterized by almost no rainfall, very hot days, and very cold nights?

Which of the following ecosystems is characterized by flat land, little rainfall, and low growing plants such as grass and wildflowers?

Swamps, marshes, and rivers are all examples of ____________ ecosystems.

The swamp is a ___________.

The tundra is a ___________.

The river is a ___________.

The desert is a ___________.

The ocean is a ___________.

The temperate forest is a ___________.

The taiga is a ___________.

The marsh is a ___________.

The pond is a ___________.

The grassland is a ___________.

The stream is a ___________.

The tropical rainforest is a ___________.

What biotic factors are likely to be present in a river ecosystem?

Which of the following ecosystem has a high salinity factor?