Review - Matter and Ecosystems

In which process do producers use light energy and make their own food?

• chemosynthesis

• fermentation

• glycolysis

• photosynthesis

Which process converts atmospheric nitrogen to a form organisms can use?

• absorption

• fixation

• retention

• stabilization

Which step in the water cycle occurs in plants?

• condensation

• evaporation

• transpiration

• precipitation

Which organism would most likely appear at the top of an energy pyramid?

• hawk

• grass

• mouse

• snake

During which process is oxygen gas released into the atmosphere?

• chemosynthesis

• decomposition

• photosynthesis

• transpiration

An organism that uses sunlight to make food molecules is a/n

• carnivore

• consumer

• herbivore

• producer

What is the term for all species living in the same ecosystem at the same time?

• biosphere

• community

• habitat

• population

Which of these is an example of a population?

• all the meerkats in a refuge

• all the types of birds in a forest

• all the types of cats in a zoo

• all the types of insects in a swamp

Which trophic level has the most energy available to living things?

• trophic level 3

• trophic level 1

• trophic level 4

• trophic level 2

Which model would you use to show interconnecting feeding relationships in an ecosystem?

• energy pyramid

• food web

• food chain

• bar graph